EN

Atsumi & Sakai
Takafumi Ochiai
Contact
Print

Takafumi Ochiai

Senior Partner

Main Practices
Banking / Financial Regulation / Venture Finance / Risk Management / Regulatory Investigations (Domestic and Foreign) / Accounting Fraud / Anti-bribery (Foreign) / Money Laundering and Proceeds of Crime / Corporate Governance / Establishing Companies and Businesses for Startups / Cashless Payments and E-money / Financial Institution DX, BaaS, and API / Electronic Payment Services (PFM, Accounting Services), Information Banks, and Use of Financial Information / Robo-advisors and Trading Market Forecasts / InsurTech / Crypto-assets / STOs, Stable Coins, and Local Currencies / RegTech and SupTech / Broadcasting / Regional Industrial Promotion / M&A, Corporate Reorganization, and Joint Ventures / Real Estate Development / IT, Telecommunications, and Radio / Pharmaceuticals, Cosmetics, and Medical Devices / Biotechnology / Medical Institutions / Medical IP and Licensing / Vertical Restraints and Abuse of Superior Bargaining Position / Subcontracting and Misrepresentations / IT System Development Disputes / Finance/investment-related Disputes / Arbitration, Conciliation, and Other ADR (Domestic) / Overseas Disputes and Litigation / Arbitration, Conciliation, and Other ADR (International) / Intellectual Property Protection and Disputes / Unfair Competition and Protection of Business Data / Financial Transactions and Bankruptcy / PPP, PFI, and Concessions / Smart City and Infrastructure DX / Digital Platforms / Open Innovation and Startups / DX Governance, E-Contracts, and Service Digitalization / Public Relations, Regulatory Reform, and Sandbox / Robots, AI, and Autonomous Vehicles / Quantum Computing, Blockchain, and New Technologies / Real Estate Tech / MaaS and New Mobility / Telecommunications and IoT / Data Utilization / Europe and the EU / China and Hong Kong / North/Latin America
Languages
Japanese / English / Chinese
Office
Tokyo
Contact

Overview

Publications & Seminars

Awards

Admitted

Japan (2006)

Bar Association

Daini Tokyo Bar Association

Education

Keio University (B.S., 2004)
The Legal Training and Research Institute of the Supreme Court of Japan

Background

Mori Hamada & Matsumoto (October 2006-August 2015)

Member

Deputy Director-General of Japan Association of Arbitrators (April 2010-)
Member of the Research Committee on Business Recovery in Asia, Japanese Association for Business Recovery (September 2010-2015)
Deputy Director-General of Japan Association of Arbitrators (January 2014-), Vice Chairman of Affairs Finance Committee (March 2016-March 2017)
Member of steering committee of Arbitration Center, Daini Tokyo Bar Association (April 2014-)
Vice-Chairperson of steering committee of Arbitration Center, Daini Tokyo Bar Association (April 2015-March 2019)
Member of steering committee of Young Japan Association of Arbitrators (YJAA)
Member of the dispute-settlement committee of the Trust Companies Association of Japan (December 2015-)
Advisor to Incubation & Innovation Initiative (III) (February 2016-) Vice-Chairperson of International Committee, Daini Tokyo Bar Association (April 2016-March 2019)
Leader of Keio University Fine Consortium's "AI and the Law" committee (April 2016-March 2017)
Member of the Central Board on Intellectual Property Rights of the Japan Federation of Bar Associations (JFBA) (June 2016-)
Member of a project run by the Council on Competitiveness-Nippon (COCN) entitled “The Coming Ultra-Smart Society through Negotiation, Cooperation and Coordination Between AI Systems” (July 2016-February 2018)
Member of the subcommittee on Impact and Risk Assessment of the "Conference toward AI Network Society" of the Ministry of Internal Affairs and Communications (October 2016-July 2018)
Secretary General of the subcommittee of the Fintech Association of Japan (October 2016-)
Legal adviser to the Japan Blockchain Association (January 2017-)
Member of the "Study Group Innovation and Laws" (February 2017-March 2018)
Member of "FINO-MENTORS" of the FINOVATORS for Financial Innovation ecosystem (March 2017-)
Multi-stakeholder Process Member of the Revised "JIPDEC Privacy Policy" formulated by the Japan Information Processing Development Center (JIPDEC) (April 2017-May 2017)
Member of the experts committee of the Japan Intellectual Property Arbitration Center (May 2017-March 2018) Representative of the Working Group on the Operation and Law for the Development Meeting on Guidelines for Remote Psychiatric Practice, of the Japanese Initiative for Diagnosis and Treatment Evaluation Research in Telepsychiatry (J-INTEREST) (May 2017-December 2018)
Board member of the Japan Medical Venture Association (May 2017-)
Member of the International Organization for Standardization and Technical Committee (as asecretarial general of the subcommittee of the Fintech Association of Japan) (June 2017-)
Counselor for the AI Group, Tokyo Bar Association (July 2017-)
Auditor for the Data Trading Alliance (DTA) (November 2017-)
Board member of the Japan Association for Financial APIs (November 2017-), Vice-Chairperson of the Japan Association for Financial APIs (December 2024-)
Member of the Open API Promotion Study Group of the Japanese Bankers Association (November 2017-)
Committee member of the “Council on remote home health care utilizing high definition video technology” for the Ministry of Internal Affairs and Communications (December 2017-March 2018)
Member of METI’s “Committee to Discuss the Legal System for Blockchain”, “Field of Medicine, Nursing Care and Healthcare”, “Field of Logistics, Supply Chain and Mobility”, and Committee on “Cross-sectoral Theme” (December 2017-March 2018)
Member of the Ethical Review Board for Shonan Keiiku Hospital, Medical Corporate Body Ken-Iku-Kai (January 2018–)
Member of the "Guidelines Review Committee for Medical Treatment with Information and Communication Equipment", the Ministry of Health, Labour and Welfare (as a board member of the Japan Medical Venture Association) (February 2018-March 2018)
Board member of ISO/TC 307 Japanese National Committee (April 2018-) Secretary of the Committee on Lawyers Operational Reforms (IT Issues Review PT), the Japan Federation of Bar Associations (June 2018-) Member of the Innovative Technology/Businessmodel Evaluation Committee for Regulatory Sandbox in Japan, the Cabinet Office (August 2018-)
Member of the "Working Group on Financial Data, Study Group for Ideal Approaches to a Certification Scheme Concerning Functions of Information Trust" of the Ministry of Internal Affairs and Communications (as the Secretary General of the subcommittee of the Fintech Association of Japan) (September 2018-February 2019)
Temporary Special Advisor (part-time) to the Minister’s Secretariat, Ministry of Economy, Trade and Industry (September 2018-)
Board member of the Real Estate Tech Association for Japan (RET) (September 2018-)
Member of the "Working Group on Health and Medical Care, Study Group for Ideal Approaches to a Certification Scheme Concerning Functions of Information Trust" of the Ministry of Internal Affairs and Communications (October 2018)
Board member of JCoMaaS (December 2018-)
Member of the Working Group on the Revision of Criteria for Safety Measures of the Special Committee for Safety Measures, The Center for Financial Industry Information Systems (FISC) (December 2018-)
Division in charge of National Strategic Special Zone, Office for Promotion of Regional Revitalization, Cabinet Office (December 2018-)
Committee member of the “Study Group on the Review of Guidelines on the Appropriate Implementation of Online Medical Treatment,” of the Ministry of Health, Labour and Welfare (January 2019-)
Member of the "Study Group for Ideal Approaches to a Certification Scheme Concerning Functions of Information Trust" of the Ministry of Internal Affairs and Communications (January 2019-)
Member of the "Study Group:RegTech/SupTech" of the Ministry of Economy, Trade and Industry(February 2019-March 2019)
Member of the "Study Group on the Improvement of the Trade Environment Involving Digital Platform Businesses, the Working Group for Ideal Approaches concerning Data Transfer and Release" of the Ministry of Economy, Trade and Industry, the Japan Fair Trade Commission, and the Ministry of Internal Affairs and Communications (March 2019-April 2019)
Member of "City&Tech Committee, Contents innovation Program (CiP)" (April 2019-)
Director of MyDataJapan (June 2019-) Member of Public Affairs Committee of Japan Deep Learning Association (July 2019-)
Advisory Board Member of the "Study Group:RegTech/SupTech" of the Ministry of Economy, Trade and Industry (July 2019-)
Member of the "Study Group on a New Governance Model for Society 5.0" (August 2019-)
Member of the "Study Group on MaaS-related Data" of the Ministry of Land, Infrastructure, Transport and Tourism (September 2019) Advisory Board Member of the “Strategical Innovation Promotion Program (SIP), Second Term: Empirical Study of Medical Information Bank Architecture to Promote Utilization of Personal Health Data” of the National Research and Development Agency - New Energy and Industrial Technology Development Organization (September 2019-)
Director of the Fintech Association of Japan (November 2019-October 2023), Vice-Chairperson of the Fintech Association of Japan (November 2023-)
Member of the Advisory Committee on Promotional Programs for the Social Implementation of “IoT/BD/AI Information Communication Platforms” of the Ministry of Internal Affairs and Communications (November 2019-)
Expert Committee Member of the Cabinet Office’s Council for Regulatory Reform, Growth Strategy Working Group (December 2019-)
Expert Committee Member of the Cabinet Office’s Council for Regulatory Reform, Investments, Etc. Working Group (December 2019-)
Member of the Advisory Group for "Research on the Development of AI, etc. contributing to Preventive Care for the Elderly by Establishing an Infrastructure for Multidisciplinary Data Gathering, Utilization and Analysis Across Health, Medical and Nursing Care" for the National Center for Geriatrics and Gerontology's Public/Private R&D Investment Strategic Expansion Program (PRISM) (December 2019-)
Committee Member of the Private Sector Utilization Working Group of the "Study Meeting regarding the Promotion of PHR for the Advancement of Public Health" of the Ministry of Internal Affairs and Communications and the Ministry of Economy, Trade and Industry (January 2020-)
Member of the "Study Group on Identity proofing for Online Services" of the Ministry of Economy, Trade and Industry (January 2020-March 2020)
Member of the regular meeting of the "Monitor Local Government Project" of the Ministry of Economy, Trade and Industry (May 2020-)
Member of the "Study Group for the Implementation and Popularization of Real-Time Public Transportation Congestion Information Systems" of the Ministry of Land, Infrastructure, Transport and Tourism (July 2020-)
AI and Law Society (July 2020-)
Member of the "Working Group on GTFS-JP" of the Ministry of Land, Infrastructure, Transport and Tourism (August 2020-)
Member of the "Meeting on Blockchain Promotion by Public and Private Sectors" The Japan Association of New Economy and the National Strategy Office of Information and Communication Technology, Cabinet Secretariat (September 2020-)
Legal advisory board of the "PMI Legal Community" of the Japan Association of Public Meets Innovation (October 2020-)
Member of the Tokyo Metropolitan Government's Study Group on Data Utilization in Wellness (October, 2020-）
Board member of the Japan CareTech Association (November 2020-) Member of the “Study Group on Problem-solving and Next-generation Transaction Platform in the Digital Market“ of the Ministry of Economy, Trade and Industry (November 2020-)
Member of the "Working Group on Certification and Operation, Study Group for Ideal Approaches to a Certification Scheme Concerning Functions of Information Trust" of the Ministry of Internal Affairs and Communications and the Ministry of Economy, Trade and Industry (November 2020-)
Member of the Committee on AI Governance of the "Conference toward AI Network Society" of the Ministry of Internal Affairs and Communications (November 2020-)
Member of the "Task Force on Accident Reporting and Verification Systems, IP Network Equipment Committee, Information and Communications Technology Subcommittee, Information and Communications Council" of the Ministry of Internal Affairs and Communications (March 2021)
Member of METI's "Study Group on Age Verification Using Digital Technology" (March 2021-)
Member of the "National Strategic Special Zones Working Group" of the Cabinet Office (April 2021-)/ Deputy Chair of the "National Strategic Special Zones Working Group" of the Cabinet Office (September 2022-)
Member of the "Study Group on Information Communication Law" of the Ministry of Internal Affairs and Communications (April 2021-)
Member of the “Working Group on Information Security in Legal Services” of the Japan Federation of Bar Associations (May 2021-)
Representative Director and Vice President, Japan Association of Financial Service Intermediaries (April 2021-)
Expert Committee Member of the Cabinet Office’s Council for Regulatory Reform, Economic Revitalization Working Group (August 2021-)
Member of the “Opinion Exchange Meeting on Information System Procurement” of the Japan Fair Trade Commission (September 2021-)
Member of the "Working Group for the Promotion of ZEDI Utilization" of Japanese Banks' Payment Clearing Network (October 2021-)
Member of the "Study Group on Broadcasting Systems in the Digital Era" of the Ministry of Internal Affairs and Communications (November 2021- ) / Constituent member of MIC's "Working Team for Replacement of Small Broadcasting Relay Stations, etc. with Broadband, etc." (February 2022-) / Constituent member of MIC's "Study Group on Public Broadcasting" (September 2022-) / Constituent member of MIC's "Working Group on Promotion of Production and Distribution of Broadcast Content" (December 2022-) / Constituent member of MIC's "Task Force on Platforms for the Broadcasting Industry" (June 2023-) / Constituent member of MIC's "Working Group on Satellite Broadcasting" (November 2023-)
Member of the Committee for Evaluating the Effectiveness of New Technologies of the Cabinet Office (November 2021-)
Digital Special Administrative Research Committee Secretariat of Digital Agency (December 2021-)
Member of the "Study Group on Enhanced Data Coordination in Transportation" of the Ministry of Land, Infrastructure, Transport and Tourism (December 2021- ) / Constituent member of MLIT's "Working Group on considering Methods for the Smooth Distribution of Real-Time Data" (March 2022-)
Member of IPA Digital Architecture Design Center's "Study Group on 3D Spatial Information Infrastructure Architecture" (February 2022-)
Member of the Digital Agency's Working Group for Ad-hoc Digital Administrative Investigation (February 2022-)
Member of the "Study Group on the Protection and Utilization of Pseudonymously Processed Information in the Medical Field" of the Ministry of Health, Labour and Welfare (March 2022-)
Member of the "Task Force for the Creation of New Markets for Startups" of the Ministry of Economy, Trade and Industry (April 2022-)
Member of the "Working Group on the Proper Handling of Specified User Information" of the Ministry of Internal Affairs and Communications (June 2022-)
Member of the "Trade Data Partnership Working Group" of the Ministry of Economy, Trade and Industry (June 2022-)
International Financial Advisor of Fukuoka Prefectural Government (August 2022-)

Member of the Expert Committee for “Research and Verification Project for Internet-based Voting in Tsukuba, Ibaraki”, Research Project for the Development and Establishment, etc. of Leading-edge Services, the Cabinet Office (August 2022-March 2023)
Advisor of the Privacy Tech Association (September 2022-)
Advisor to the Cloud-type Electronic Signature Service Association (December 2022-)
Member of the "Study Group on Pharmaceuticals Marketing System" of the Ministry of Health, Labour and Welfare (February 2023-)
Member of the "Project Proposal Review Committee" to conduct a review of the Kyushu University Hakozaki Campus site area land use business solicitation by the National University Corporation Kyushu University and the Urban Renaissance Agency (March 2023-April 2024)
Advisory Board Member of the Govtech Association (March 2023-)
Member of Tsukuba City Privacy Impact Evaluation System Study Council (April 2023-)
Member of the "Evaluation and Promotion Committee for the Revitalization of Central City Areas" of the Cabinet Office (May 2023-)
Member of the “Generative AI Governance Study Group” (June 2023-)
Member of the “National Cancer Registry Information Provision Advisory Committee” of the National Cancer Center (June 2023-)
Advisor to the Real Estate Crowdfunding Association for Japan (August 2023-)
Advisor to Minokamo City for Appropriate Administrative Practices (September 2023-)
Member of the “Council for Promotion of Regulatory Reform” of the Cabinet Office (Chairperson of the Startup and Investment Working Group (currently Startup and Innovation Promotion WG), Member of the Public Working Group) (October 2023-)
Member of the "Study Group on How to Ensure the Soundness of Information Distribution in the Digital Space"of the Ministry of Internal Affairs and Communications (October 2023-) / Constituent member of MIC's "Working Group" (January 2024-)
Mentor of the "J-StarX Entrepreneur Silicon Valley Training Program through Event Participation (Sector-specific Course)" of the Ministry of Economy, Trade and Industry and the Japan External Trade Organization (JETRO)  (November 2023-)
Member of the "Working Group on Secondary Use of Medical and Other Information, Study Group on Utilization of Health, Medical and Nursing Care Information," of the Ministry of Health, Labor and Welfare (November 2023-)
Member of the "Digital-related Institutional Reform Study Group" of the Digital Agency (November 2023-)
Member of the "Study Group on the Functional Enhancement of Pharmacies and Pharmacists," of the Ministry of Health, Labor and Welfare (December 2023-)
Member of the "Sub-Working Group on Social Rules for Self-Driving Cars in the AI Era," of the Digital Agency, the Ministry of Economy, Trade and Industry and the Ministry of Land, Infrastructure, Transport and Tourism (December 2023-) 
Member of the "Working Team for the Study of the Broadcasting Treaty, 23rd Term of the International Subcommittee in the Copyright Subdivision of the Cultural Council" of the Agency for Cultural Affairs (February 2024-) 
Member of the "Working Group for Infrastructure Development Promotion for 5G Dissemination"of the Ministry of Internal Affairs and Communications (March 2024-)
Adviser to the "Global Financial City OSAKA Promotion Committee" of Osaka Prefecture and Osaka City  (April 2024-)
Board member of the Institute of Sustainability Management and Assurance (May 2024-)
Member of the Preparatory Meeting on Ridesharing (Sub-WG) of the Regional Industry Revitalization WG of the Council for Regulatory Reform of the Cabinet Office (July 2024-)
Part-time lecturer for the Faculty of Law, The University of Tokyo (September 2024-)
Tokyo International Finance Fellow (October 2024-)
Member of the Cabinet Secretariat's Council for Digital Administrative and Financial Reform's Study Group on Data Utilization Mechanism and Systems (December 2024-)
Member of the “Roundtable on Growth Funding for Start-ups” of Japan Securities Dealers Association and Financial Services Agency (January 2025-)
Chairperson of the GX/Sustainability Sub-WG of the Cabinet Office's Regulatory Reform Promotion Council (January 2025-)
Person in charge of examining data utilization systems, the Secretariat of the Council on Digital Administrative and Financial Reform, Cabinet Secretariat (February 2025-)
Member of the "Expert Panel on the Promotion of the Base Registry" of the Digital Agency (March 2025-)
Distinguished Visiting Professor, Keio University Graduate School of Media Design (April 2025-)
Member of the Deliberation Committee for the Basic Project Plan in the former Kyushu University Hakosaki campus area (May 2025-)

Publications

  • Startup Legal Playbook, Japan Chapter, International Technology Law Association (ITechLaw) (2025) [Co-author]

  • “Data Utilization and Privacy for Digital Transformation,” Jurist May 2025 issue No.1609 (2025)  [Discussion Meeting]
  • “Practical Explanation: Designation of Funds Transfer Service Provider and Start of Service, Practical Points to Keep in Mind when Implementing the Digital Payment of Salaries,” Junkan Keirijouhou No.1737 (2025) [Co-author]
  • “Must be ready for 2025! Handling of foreign remittances according to ISO 20022,” GINKO JITSUMU Vol. 55 No.2 (2025) [Co-author]
  • "Protection of Personal Data in Medical Sector for Developing and/or Using Generative AIs," Journal of Clinical and Experimental Medicine (IGAKU NO AYUMI) vol.291 Nos.12, 13 (2024)
  • "Seminar Transcript of i-SMA Forum 2024 - The Forefront of Sustainability Information Disclosure," Disclosure & IR, November 2024 Issue  (2024) (Transcript in Japanese about the seminar hosted by the Institute of Sustainability Management and Assurance on August 26, 2024)
  • "The Use of Financial Service Intermediary Businesses Expands in Unexpected Areas," Weekly Financial Affairs,October 15-22, 2024 issue, No.3562 (2024) (comments in article) 
  • "New Developments in Rulemaking by the Public-Private Sector and How to Conduct Corporate Legal Affairs (Part 2)," Junkan Shoji homu No. 2371 (Discussion meeting) (2024)
  • "New Developments in Rulemaking by the Public-Private Sector and How to Conduct Corporate Legal Affairs (Part 1)," Junkan Shoji homu No. 2370 (Discussion meeting) (2024)
  • “Broadcasters' Business Digitization and Copyrights,”  COPYRIGHT No.760 Vol.64 (2024)
  • “Guidance for the Appropriate and Prompt Approval and Development of Programmed Medical Devices based on their Characteristics (2nd Edition),” Ministry of Health, Labor and Welfare (as a board member of the Japan Medical Venture Association) (June 2024)
  • "Policy Trends in Ridesharing and Automated Driving," FY2023 JCoMaaS Activity Report (2024)
  • Startup Legal Playbook, Japan Chapter, International Technology Law Association (ITechLaw) (2024) [Co-author]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data: Regulatory Trends Surrounding Industrial Data, etc. in the U.S. (Part 3)," NBL No. 1263, Shojihomu (2024) [Co-author]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data: Regulatory Trends Surrounding Industrial Data, etc. in the U.S. (Part 2)," NBL No. 1261, Shojihomu (2024) [Co-author]
  • Innovation in Public-Private Co-Creation: The Challenge of the Regulatory Sandbox and Beyond, K.K. Best Book (Includes a dialogue in Chapter 4) (2024)
  • "Survey Report on Foreign Systems that May Affect the Proper Handling of Specified User Information," Ministry of Internal Affairs and Communications (2024)  [Co-author]
  • “Report on Research on Currency Law Systems in the US and Europe,” Ministry of Finance (2023) [Co-author]
  • "Contract Templates for Equity Investment in Startups," Fintech Association of Japan (2023) [as a member of the Study Group]
  • "Current Situation and Future Prospects surrounding Startup Support," Horitsu no Hiroba, December 2023, the Gyosei Corporation (2023)[Co-author]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data: Regulatory Trends Surrounding Industrial Data, etc. in the U.S. (Part 1)," NBL No. 1254, Shojihomu (2023) [Co-author]
  • The Development of Digital Society and the Design of Laws - "36 Challenges of Rule Formation in the Digitalization of Financial Services" in "Chapter 3: Digitalization of Financial Services and Strategic Use of Rule Formation,"  SHOJIHOMU Co., Ltd. (2023)[Co-author]
  • Digital Platforms and Rulemaking, Nippon Hyoronsha (2023) [as a member of the Platform Business Study Group]
  • “Impact of the District Court Decision on the XRP Litigation,” Financial and Business Law Precedents No.1674 (2023)
  • “Towards Responsible AI Deployment: Policy Recommendations for the Hiroshima AI Process” (Institute for Future Initiatives, The University of Tokyo, 2023) [Feedback]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data Vol. 4: Regulatory Trends Surrounding Industrial Data, etc. in Europe (Part 4)," NBL No. 1249, Shojihomu (2023) [Co-author]
  • “Legal Considerations for the Diversification of Payment Methods,” GINKO JITSUMU Vol. 53 No.9 (2023) [Co-author]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data Vol. 3: Regulatory Trends Surrounding Industrial Data, etc. in Europe (Part 3)," NBL No. 1247, Shojihomu (2023) [Co-author]
  • "Study on How Data Utilization should be Seen in the Information Bank Certification System," NBL No. 1246, Shojihomu (2023) [Co-author]
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data Vol. 2: Regulatory Trends Surrounding Industrial Data, etc. in Europe (Part 2)," NBL No. 1244, Shojihomu (2023) [Co-author]
  • “Guidance for the Appropriate and Prompt Approval and Development of Programmed Medical Devices based on their Characteristics,” Ministry of Health, Labor and Welfare (as a board member of the Japan Medical Venture Association) (May 2023)
  • "Issues and Prospects concerning Data Utilization Focusing on Industrial Data Vol. 1: Regulatory Trends Surrounding Industrial Data, etc. in Europe (Part 1)," NBL No. 1242, Shojihomu (2023) [Co-author]
  • “DFFT Initiative report,” Data Society Alliance (DSA) (2023) [Co-author]
  • "Guidance on Using Regulatory Compliance and Regulatory Reform Engagement Tools for Startup Growth ~Regulatory Compliance and Regulatory Reform for Everyone~,"  Ministry of Economy, Trade and Industry (2023) [Co-author]
  • “Survey Report of Legal Systems in Major European Nations regarding the Use of Privacy Enhancing Technologies (PETs),” Personal Information Protection Commission(2023) [Co-author]
  • “Digital Identity Verification Guidelines for Private Businesses,” OpenID Foundation Japan(as a member of the Task Force on Identity Verification Guidelines) (March 2023)
  • "Key Points of Ministerial Ordinances and Notifications Concerning Digital Salary Payment," Junkan Keirijouhou No.1671 (March 2023) [Co-author]
  • Nikkei Fintech Yearbook (Financial DX Strategy Report 2023-2027) - "Fintech Laws and Regulations," Nikkei BP (2023)[Co-author]
  • “Special Plan 2: Further Progress - Amendments of Digital Payment Laws and their Impact on Practice,” GINKO JITSUMU Vol. 53 No.1 (2023) [Co-author]
  • "Points of Caution in Handling Personal Information in Online Medical Care," Journal of Pediatric Medicine, Vol. 54 No. 12 (December 2022) [Co-author]
  • “Survey of Legal Systems in Major European Nations regarding the Use of Cameras with Face Recognition Functionality,” Personal Information Protection Commission (2022) [Co-author]
  • "Trends in Digital Wage Payment Systems and Key Points for Accounting Departments," Junkan Keirijouhou No.1661 (November 2022) [Co-author]
  • “Governance and Rulemaking on Digital Platforms (Part 2),” Horitsu Jiho No.1183 (Discussion)
  • “Governance and Rulemaking on Digital Platforms (Part 1),” Horitsu Jiho No.1182 (Discussion)
  • ” EU Data Law Initiative and the Potential for Comprehensive Data Use Legislation," Law & Technology No.97 (Discussion Meeting) (2022)
  • IT Manual for Lawyers ~ The Evolution of Lawyer Services as a Result of E-Trials and Remote Work, DAI-ICHI HOKI CO.,LTD. (2022) [Co-author]
  • “Japan: Trends & Developments, ” Chambers Global Practice Guides - Blockchain 2022, Chambers and Partners (2022)  [Co-author]
  • "The Relationship between Differential Privacy and the Act on Protection of Personal Information," AI and Law Society (2022) [Co-author]
  • "Challenges in Rule Formation in the Digitalization of Financial Services," NBL No. 1222, Shojihomu (2022) 
  • "Legal Issues of Advertising and Marketing Operations of Banks," Weekly Financial Affairs, July 19, 2022 Issue, No. 3456 (2022) [Co-author]
  • “Guideline on Remote Surgeries,” Committee for Promotion of Remote Surgery Implementation, Japan Surgical Society (June 2022) [Advice]
  • "Policy Trends Related to MaaS Digitization," FY2021 JCoMaaS Activity Report (2022)
  • Legal Affairs for Entering the Digital Health Business, Chuokeizai-sha Holdings, Inc. (2022) [Co-author]
  • “Key Points of the Amendment of the Act on the Protection of Personal Information in Finance-Related Fields including Effect on the Guidelines in the Finance Sector,” Horitsu no Hiroba, May 2022, the Gyosei Corporation (2022)[Co-author]
  • "Financial Planning Practice, Ethics and Compliance (Extended Edition): Let's Think About Financial Planning in its Ideal State, Part 2. Financial Planner's Statutory Scope of Work, Part 4. Financial Services Business," Journal of Financial Planning May 2022 issue (2022) [Co-author]
  • " The New Governance System and the Role of Sanctions in Society 5.0 (Part 2)," Horitsu Jiho No.1175 (Discussion)
  • "[Series/New Technologies and the Future of Law] [No. 2] Realization of the Digital Society and Legal Regulations," Jurist No.1569 (2022) [Co-author]
  • “Research on Progressive Initiatives Related to the Reduction of Food Loss Surveyed by Other Countries,” Promotion of Food Loss Reduction Office, Consumer Education Promotion Division, Consumer Affairs Agency (Commissioned by Seed Planning, Inc.) (March 2022) [Editor]
  • 6000 Legal Countermeasures for Financial Institutions Vol.3: Incidental and Ancillary Services, Fintech, Kinzai Institute for Financial Affairs (2022) [Co-author]
  • "Frontline of Digital Platform Business Study: Digital Platforms and Information Networks (Part 2)," Horitsu Jiho No.1173 (Discussion)
  • Nikkei Fintech Yearbook (Financial DX Strategy Report 2022-2026) - "Fintech Laws and Regulations," Nikkei BP (2022)
  • "Newspapers' Blind Spot: Draft AI Regulation in Europe Has Implications for Japan," Gekkan Chihou Zaimu (February 2022) (comments in article) 
  • "Digitalization as the Foundation for Responding to Social Trends such as Population Decline and Greening," Gekkan Chihou Zaimu (January 2022)
  • "How Local Governments Approach Digitization," Gekkan Chihou Zaimu (August 2021) [Co-author]
  • "Ethical, Legal and Social Issues of Personal Data Transactions (Part 2)," Horitsu Jiho, June 2021 (comments in article) (2021)
  • "Q&A on the Establishment of a new mediation system and its basic framework" Gekkan Kinyu Journal (June 2021) [Co-author]
  • "Cooperation between Financial Intermediary Services and Local Financial Institutions," GINKO JITSUMU Vol. 51 No.5 (Preface) (2021)
  • "Current Situation of Legal Discussions Abroad regarding Crypto-Assets," Financial and Business Law Precedents No.1611 (2021) [Co-author]
  • "Overview of Financial Services Intermediation Legislation and Prospects for Business Models," Weekly Financial Affairs, December 14, 2020 Issue, No. 3383 (2020) [Co-author]
  • "Frontiers of Personal Information and Data Protection Legislation (Part 2)" November 2020 Issue, Daini Tokyo Bar Association (2020)
  • "Frontiers of Personal Information and Data Protection Legislation (Part 1)" October 2020 Issue, Daini Tokyo Bar Association (2020)
  • "High-value Transfers Unlocked for Fintech Firms - Amended Payment Services Act Allows Non-bank Operators to Handle Transfers Exceeding One Million Yen" Nikkei Veritas August 23 Issue (comments in article) (2020)
  • "Current Situation of the Information Bank and Points to Keep in Mind for the Administration," Administration & Information System August 2020 Issue (2020) [Co-author]
  • "Survey on Data Collaboration and Utilization of AI, etc. in the Healthcare Sector," the Cabinet Secretariat's National Strategy Office of Information and Communication Technology (Commissioned by Seed Planning, Inc., recommissioned to NTT Data Institute of Management Consulting, Inc. and Atsumi & Sakai) (June 2020) [Co-author]
  • "Strengths and Weaknesses of Online Medical Examinations Revealed by Deregulation," Nikkei Medical June issue (article of a roundtable talk) (2020)
  • "The Aim of deregulation: A Boundary for Banks created by the Amended Payment Services Act," Nikkei Fintech Monthly Newsletter, February 28, 2020 issue (comments in article) (2020)
  • "HOT/COOL Player: Changes to Governance and to Roles of Companies in the Era of Society 5.0," NBL No.1165, March 1 (2020)
  • "Key Points of the New Legislation and Important Issues in Drafting the Bills on the Settlement and Financial Services Intermediation," Weekly Financial Affairs, February 3, 2020 Issue, No.3341 (2020)
  • "Data Utilization in Financial Institutions; A New Business Model with Bank’s Credibility," Weekly Financial Affairs, January 20, 2020 Issue, No.3339 (comments in article) (2020)
  • "Respecting the Will of Individuals: Key Discussion Point for Protecting Personal Information," Weekly Financial Affairs, December 2, 2019 Isssue, No.3334 (2019)
  • Libra’s Identity: Will GAFA Dominate the Currency?, Nikkei Publishing Inc. (2019) [Co-author]
  • Special Commentary: Financial Institutions and Information Bank: Understanding the Data Distribution Business," the Banking Law Journal 21, September 2019 Issue No. 846 (2019) [Co-author]
  • "Newspaper Blind Spot: Unobtrusive Launch of “Information Bank” by “Provisional License,”" Weekly Financial Affairs, July 22, 2019 Issue, No.3317 (comments in article) (2019)
  • "New Horizons in Real Estate Tech” an article appeared in a Japanese newspaper regarding rental housing (Zenkoku Chintai Jyutaku Shinbun), July 15 (2019)
  • Possibilities and Challenges of Fintech for Life Support, Dementia and Information, Chapter 5-2, Keiso Shobo (2019) [Co-author]
  • "Special Issue: Current Situation of Protection and Utilization of Personal Information / Protection and Utilization of Personal Information, etc. in the Financial Field," Jurist, July 2019 No. 1534 (2019)
  • "Business Commentary: Evaluation Points on whether the Banking Act is applicable to Electronic Funds Transfers and Account Management," Junkan Keirijouhou June issue No.1546 (2019) [Co-author]
  • "A fresh dose of regulation and promotion," Asia Pacific Fintech Special Focus 2019, IFLR April/May 2019, IFLR (2019) [Co-author]
  • "Would the Use of Personal Information be a Boost? The Significance and Influence of the “Information Bank”," Business Homu June 2019 Issue (2019)
  • "Application of Blockchain to Intellectual Property and Content Management: Based on Actual Cases of Services Overseas and Discussions of Legal Systems," Intellectual Property Management Journal, April Edition, Vol. 69 No.4 (No. 820) (2019) [Co-author]
  • "Chinese Cyber-Security Law and practical problems and solutions related thereto," Kaigai-Touyushi March 2019, Japan Institute for Overseas Investment (JOI) (2019) [Co-author]
  • "[Discussion Report] Contemporary Tasks of the Financial Legal System (Ⅱ) – Information, Settlements and Tech Firms," Kinyu Houmu Jijo March 25 (2019)
  • "A contract and compliance perspective: Advance preparations for legal practitioners dealing with natural disasters" Business Homu May 2019 Issue(2019) [Co-author]
  • "[Discussion Report] Contemporary Tasks of the Financial Legal System (I) – Information, Settlements and Tech Firms," Kinyu Houmu Jijo March 10 (2019)
  • "Laws and Regulations Related to Online Medical Care: Focusing on the Guidelines of the Ministry of Health, Labour and Welfare," "[Discussion Report] Potential Remote (Online) Medical Care in Psychiatric Practice," Seishinka Chiryogaku (Japanese Journal of Psychiatric Treatment) Vol. 34 No. 2, Seiwa Shoten Publishers (2019)
  • "Enforcement of the Amendments to the Ordinance for Enforcement of the Act on Prevention of Transfer of Criminal Proceeds Relating to an e-KYC, a Customer Verification Procedure Which Would be Completed Online, and the Trends of Practices for Verification," NBL No.1139, Shojihomu (2019) [Co-author]
  • "Information Banks are not the Only "Instruments" for Utilizing Data," Weekly Financial Affairs No.3289, Kinzai Institute for Financial Affairs (2018)
  • "Overview of legal issues surrounding online medical examinations," Nikkei Digital Health 2019 Yearbook – Bible for Developing New Industries and Businesses in the Healthcare, Health and Nursing Care Sectors edited by Nikkei Digital Health, Nikkei Business Publications (2018)
  • "Movement on Fintech and Financial APIs in Japan," JISA's membership magazine No.131 (2018)
  • "Practical Compliance at the Time of Transaction with a Representative Person, Such as Electronic Settlement, under the Revised Banking Act," Finance Law Journal No.2099, Kinzai Institute for Financial Affairs, Inc. (2018) [Co-author]
  • Getting the Deal Through - Fintech 2019, Japan Chapter, Law Business Research Ltd. (2018) [Co-author]
  • "Online Medical Care and Regulations," The Journal of Therapy, Vol.100 No.9, Nanzando Co., Ltd.
  • "Issues to be Overcome by Japan towards Further Data Utilization: Boosting Policy in Action - Momentum to Promote Utilization," Weekly Financial Affairs No.3272, Kinzai Institute for Financial Affairs (2018)
  • "Research Study on Recent Trends of Data Protection Acts in Other Countries," Personal Information Protection Commission (2018) [Co-author]
  • "Fintech, LegalTech, AI, GDPR," LAWYERS GUIDE ~Trends in Innovation~, Business Law Journal No.125, LexisNexis Japan (2018) [Co-author]
  • The Intellectual Property Review - Seventh Edition, Japan Chapter, Law Business Research Ltd (2018) [Co-author]
  • "Firm but fair," ASIA FINTECH SPECIAL FOCUS-JAPAN, IFLR May 2018, IFLR (2018) [Co-author]
  • Final Report entitled "Negotiation, Cooperation and Coordination Between AI Systems," as a member of a project by the Council on Competitiveness-Nippon (COCN) (February, 2018)
  • "The Global Acceleration of ICO Regulation: Publications of Guidelines by Western Governments; France Advocates Three Options," Nikkei FinTech, Nikkei Business Publications, Inc. (February, 2018) [Co-author]
  • 5000 Legal Countermeasures for Financial Institutions Vol.3: Lending, Management, and Guarantees, Kinzai Institute for Financial Affairs (2018) [Co-author]
  • 5000 Legal Countermeasures for Financial Institutions Vol.2: Exchange, Bills and Checks, Electronically Recorded Monetary Claims, Auxiliary Business, and Peripheral Business, Kinzai Institute for Financial Affairs (2018) [Co-author]
  • "Although it's Booming, Investor Protection is Urgently Needed for ICOs," Weekly Financial Affairs (Kinyu Zaisei Jijyo) Vol. 68 No. 46, Kinzai Institute for Financial Affairs (December, 2017) [Co-author]
  • "In Relation to ICO Regulations, Europe & the US Moving to New Legislation; We should Keep an Eye on France & Israel, But the Majority Remain with the Application of Existing Rules," Nikkei FinTech, Nikkei Business Publications, Inc. (November, 2017) [Co-author]
  • "Wave of Regulations for Booming ICO Market: National Authorities Following the US One After Another, and China's Blanket Ban," Nikkei FinTech, Nikkei Business Publications, Inc. (October, 2017) [Co-author]
  • Medium-term Report entitled "The Coming Ultra-Smart Society through Negotiation, Cooperation and Coordination Between AI Systems," as a member of a project by the Council on Competitiveness-Nippon (COCN) (October, 2017)
  • Getting the Deal Through - Fintech 2018, Japan Chapter, Law Business Research Ltd. (2017) [Co-author]
  • "Look Before You Leap: Issues that Mercari Users Should Know When Using the Services," in Toyo Keizai Weekly Magazine, September 23rd issue, Toyo Keizai Inc. (September, 2017) [Comment]
  • "Emerging Japanese Initial Coin Offerings (ICOs) – the Key is Token Design not Falling under Financial Regulations," Nikkei FinTech No.17, Nikkei Business Publications, Inc. (August, 2017) [Comment]
  • "Amendments to the Banking Act and Practical Tips: Mainly from a Financial Institution's Perspective," Finance Law Journal No.2070, Kinzai Institute for Financial Affairs, Inc. (July, 2017) [Co-author]
  • The Intellectual Property Review - Sixth Edition, Japan Chapter, Law Business Research Ltd (2017) [Co-author]
  • The Revised "JIPDEC Privacy Policy," as a Multi-stakeholder Process Member of the Japan Information Processing Development Center (JIPDEC) (2017)
  • "Fintech: Business Strategies and the Law," Kinzai Institute for Financial Affairs, Inc. (2017) [Co-author]
  • "Moving forward," ASIA FINTECH SPECIAL FOCUS-JAPAN, IFLR May 2017, IFLR (2017) [Co-author]
  • "Work in progress," BANKING & PROJECT FINANCE JAPAN, IFLR April 2017, IFLR (2017) [Co-author]
  • "Issues for Developing New Systems for Introduction of Open Bank API," Junkan Shoji Homu No. 2130, Japan Institute of Business Law (April, 2017) [Co-author]
  • "Current Status of Autonomous Driving Technology and Future Outlook of Car Insurance," KINZAI Financial Plan No. 386, Kinzai Institute for Financial Affairs, Inc. (April, 2017) [Co-author]
  • "FinTech: Key Points on Agency Services Including Electronic Payment," GINKO JITSUMU Vol. 47 No.3, Banking Education Co., Ltd. (March, 2017) [Co-author]
  • "Bank Application Programming Interface (API): Terms of Use Model and Practical Key Points," Finance Law Journal No.2060, Kinzai Institute for Financial Affairs, Inc. (February, 2017) [Co-author]
  • Final Report entitled "The Coming Ultra-Smart Society through Negotiation, Cooperation and Coordination Between AI Systems—Achieving Respective Purposes Smoothly and Forming Reciprocal Relationships," as a member of a project by the Council on Competitiveness-Nippon (COCN) (February, 2017)
  • "Business Opportunities and Practical Issues Lead by Bank Application Programming Interface (API): Convenient Service Delivery Enables Cost Saving and Commission Income Earning," Weekly Financial Affairs (Kinyu Zaisei Jijyo) No. 3199, Kinzai Institute for Financial Affairs (January, 2017) [Co-author]
  • "Ransomeware," part of a special report, Nikkei Computer (November 24, 2016) [Interview]
  • "Developments in FinTech – A Look at the Impact on Payment Systems," Business Research No. 1071, Business Research Institute (November, 2016) [Co-author]
  • "Changes To The Enforceability Of Exclusive Foreign Jurisdiction Agreements Under Japanese Law," Expert Guide - Litigation & Dispute Resolution 2016, Corporate LiveWire（2016）[Co-author]
  • Getting the Deal Through - Fintech 2017, Japan Chapter, Law Business Research Ltd. (2016) [Co-author]
  • Medium-term Report entitled "The Coming Ultra-Smart Society through Negotiation, Cooperation and Coordination Between AI Systems—Achieving Respective Purposes Smoothly and Forming Reciprocal Relationships," as a member of a project by the Council on Competitiveness-Nippon (COCN) (October, 2016)
  • "FinTech for Beginners  Part 5: Asset Management (PFM) Law, Accounting & Finance Support Services", Ginko Homu 21, Economic Legal Research Institute (October, 2016)
  • "Financial Institutions' Use of Artificial Intelligence and the Law: the Protection of Personal Information and Intellectual Property Rights, etc.," Weekly Financial Affairs (Kinyu Zaisei Jijyo) No. 3184, Kinzai Institute for Financial Affairs (September, 2016) [Co-author]
  • "Practical Implications of the 2016 Amendments to the Banking Act and Payment Services Act, etc.—With a Focus on Fintech," Junkan Shoji Homu No. 2108, Japan Institute of Business Law (August, 2016) [Co-author]
  • "IoT, AI, and the Sharing Economy – An Overview of the Legal Impact of Developing IT," The Lawyers, ILS Publications, Inc. (August, 2016) [Co-author]
  • "Major Legal Considerations in connection with Brexit: M&A, Finance, Labour, Personal Information, and Intellectual Property, etc.," JUNKAN KEIRIJOUHOU No.1453, CHUOKEIZAI-SHA, INC. (August, 2016) [Co-author]
  • "Industrie 4.0 and the Internet of Things (IoT) in Germany," KOKUSAI SHOJI HOMU Vol. 44, No. 7, Japanese Institute of International Business Law, Inc. (July 2016) [Co-author]
  • The Intellectual Property Review - Fifth Edition, Japan Chapter, Law Business Research Ltd (2016) [Co-author]
  • "Insurance × Technology = "InsTech": Trends and Legal Considerations", Weekly Financial Affairs (Kinyu Zaisei Jijyo) No. 3170, Kinzai Institute for Financial Affairs (June, 2016)
  • "FinTech for Beginners  Part 1: Payment and Settlement Services", Ginko Homu 21, Economic Legal Research Institute (June, 2016) [Co-author]
  • "Managing Japan's fintech groundswell", IFLR May 2016, IFLR（2016）[Co-author]
  • "Innovation by Banks and FinTech Companies‐A Summary of FinTech Issues from the Perspective of Financial and IT Law", Financial Law Journal, Kinzai Institute for Financial Affairs, Inc. (February, 2016) [Co-author]
  • "Risk of a Policy Change in Chinese Law and Countermeasures," The Lawyers, ILS Publications, Inc. (January, 2016) [Co-author]
  • "What to Do When Problems Arise? - Dealing with Disputes Involving an Overseas Subsidiary," SHUNKAN KEIRIJOUHOU No.1433, CHUOKEIZAI-SHA, INC. (December 2015) [Co-author]
  • Corporate Legal Practice for Product Accidents and Corporate Scandals - Learning from Actual Cases and Preparing Security Guidelines, Civil Law Institute (edited by Ryo Yamazaki) (2015) [Co-author]
  • Training Material for International Arbitration Practice, Shinzansha Publisher Co.,Ltd., (edited by the Moot International Arbitration Project Team, Japan Association of Arbitrators), Shinzansha Publisher Co.,Ltd. (2015) [Co-author]
  • Six Major Laws on Chinese Economy (2015 Expanded Edition), THE ASSOCIATION FOR THE PROMOTION OF INTERNATIONAL TRADE, JAPAN (2015) [Co-author]
  • Combating Bribery of Foreign Public Officials and Practical Responses - Global Compliance for Companies Expanding Overseas, SHOJIHOMU Co., Ltd. (2014) [Co-author]
  • "Civil Litigation System in Asian Countries - Encompassing Handling of Consumers - Part 5: Thailand," Business Homu Vol.14 No.6, CHUOKEIZAI-SHA, INC. (June 2014) [Co-author]
  • "(i) Study on Systems for Utility Models and Simple Patents in ASEAN, (ii) Study on Systems for ISP Responsibilities for Online Distribution of Products that Infringe Intellectual Property Rights in ASEAN," JETRO Bangkok Office Intellectual Property Section (February 2014) [Co-author]

Web Articles

  • “APAC State of Open Banking and Open Finance Report,” Cambridge Centre for Alternative Finance, University of Cambridge and the Asian Development Bank Institute (June, 2026)
  • “Legal trends in the regulation of crypto currency,” Asia Business Law Journal (May, 2025) [Co-author]
  • “Japan’s crypto-asset, stablecoin and security token regulations,” Asia Business Law Journal (May, 2025) [Co-author]

  • "CMS Expert Guide to 5G Regulation and Law - Japan," CMS (March 2025) [Co-author]

  • "Discussion Points of the Huge New IT Law: JFTC "Homework" is Security Measures," NIKKEI Digital Governance (May, 2024)

  • "Proposal on the NTT Act," A&S Policy Research Institute (April 18, 2024) [Co-author]

  • “Expert Panel Meeting Discussion Points,” Health and Global Policy Institute (April 2024) [as an expert panel member]

  • "The Importance of Agile Governance in the Use of Generative AI," Consumer Data-Driven Marketing Newsletter (March 2024)[Interview]

  • "[For a Society Conducive to Digital Transformation] Benefits to the Private Sector Brought on by Institutional Reform," Tech Team Journal (article of a roundtable talk) (November 2023)

  • "What Deregulation and Business Opportunities are Brought on by DX in Administration and Finance," Tech Team Journal (article of a roundtable talk) (November 2023)

  • “The Truth About Digital Policy: Where We Are and Where We're Going [Masaki Ogushi, State Minister for Digital Transformation x Takafumi Ochiai, Head of Policy Research Institute],” Tech Team Journal (article of a roundtable talk) (September 2023)

  • “In-Depth Explanation of DFFT, A Key Topic at the 2023 G7: Will the Discussions on the "Implementation" of DFFT, which is Key to the Overseas Expansion of Japanese IT Companies, Proceed at G7?,” Nikkei X Tech (article of a roundtable talk) (April 2023)

  • “In-Depth Explanation of DFFT, A Key Topic at the 2023 G7: Challenges and Expectations of Generative AI ‘Here to Destroy 20 years of Trust in the Digital Domain’,” Nikkei X Tech (article of a roundtable talk) (April 2023)

  • "Proposal for the Promotion of the Utilization of Medical Data," The Japan Research Institute, Limited.(as a member of the Healthcare Digital Reform Roundtable) (February 2023)

  • “Utilization of Medical Data and Medical Information Infrastructure Systems in Various Countries,” Weekly Keidanren Times No.3578(February 2023)

  • "Bridging Law and Policy, Empowering Information Dissemination," Asian Legal Business Japan Edition (February 2023)[Interview]

  • “In-Depth Explanation of DFFT, A Key Topic at the 2023 G7: Progress in Developing a Framework for "Cross-border Transfer" of Personal Information, Contributing to the Free Distribution of Data,”  Nikkei X Tech (January 2023) [Co-author]

  • "Stablecoins Legislation and Other Legislative Changes Affecting the Japan Fintech Industry," Chambers FinTech 2023 (January, 2023) [Co-author]

  • [Survey Document] “Major Laws and Regulations related to FinTech,” The Center for Financial Industry Information Systems (FISC) (December 2022) [Co-author]

  • “In-Depth Explanation of DFFT, A Key Topic at the 2023 G7: How to Create Rules for International Data Transfers? The Reason why DFFT is a Global Topic,” Nikkei X Tech (December 2022) [Co-author]

  • "Key Points on and Practical Response to 2021 Amended Act on Preservation of Electronic Books - Focusing on Invoice Systems," BUSINESS LAWYERS (March 2022)

  • "Resetting Data Governance: Authorized Public Purpose Access and Society Criteria for Implementation of APPA Principles," posted on the website of The World Economic Forum LLC (April 2021) [Co-author]
  • "Good Data: Data-sharing, public trust and willingness," posted on the website of The World Economic Forum LLC (April 2021)  [Co-author]
  • "Establishing New Services and Promoting Businesses after the Pandemic," Chambers FinTech 2020 (December, 2020) [Co-author]
  • "Future of Telemedicine Part 2 Adding Value to Medical Services that Do Not Require a Hospital Visit in the Era with COVID-19," Nikkei Medical (May 2020)
  • "Future of Telemedicine Part 1 It is dangerous to mix up Telephone Medical Care and Online Medical Care," Nikkei Medical (May 2020)
  • "CMS Expert Guide to 5G - Japan," CMS Cameron McKenna Nabarro Olswang LLP (February 2020)
  • "Data Driven Innovation and Regulatory Consolidation," Chambers FinTech 2020 (January, 2020) [Co-author]
  • "APPA –Authorized Public Purpose Access: Building Trust in Data Flows for Well-being and Innovation," posted on the website of The World Economic Forum LLC [Contributor]
  • "A Proposed Guideline for Appropriate Online Medication Instructions," and "Supplemental Written Opinion (Provisional)," the Japan Medical Venture Association (2019) [Co-author]
  • "Japan: Redefining the playing field," IFLR Fintech Leaders 2019 (October 2019)
  • [Research Report] "Trends of Data Protection Regulations in Japan and Overseas and the Responses of Japanese Financial Institutions," The Center for Financial Industry Information Systems (FISC) (Chapter I, Co-authored, Posted on the Website)
  • "Moving Forward to a Cashless Society", Chambers FinTech 2019 (January, 2019) [Co-author]
  • “A Financial Services Agency and Nikkei Sponsored FinTech Event with Many Sessions on AI (Artificial Intelligence), until the 22nd,” ZUU online (September, 2017)
  • "The Key for Developments on FinTech is a Trust Relationship Rather Than Technology: FinTech Roundtable (5)," ZDNet Japan (June, 2017)
  • "How to Prevent "IT Giants" from Ravaging the Japanese Financial Marketplace: FinTech Roundtable (4)," ZDNet Japan (June, 2017)
  • "Amendments to the Banking Act and Practical Tips: Part 5," SHOJIHOMU PORTAL (June, 2017) [Co-author]
  • "Conditions of Human Resources that Digitalize Banks: FinTech Roundtable (3)," ZDNet Japan (June, 2017)
  • "Amendments to the Banking Act and Practical Tips: Part 4," SHOJIHOMU PORTAL (June, 2017) [Co-author]
  • "Amendments to the Banking Act and Practical Tips: Part 3," SHOJIHOMU PORTAL (May, 2017) [Co-author]
  • "Amendments to the Banking Act and Practical Tips: Part 2," SHOJIHOMU PORTAL (May, 2017) [Co-author]
  • "Amendments to the Banking Act and Practical Tips: Part 1," SHOJIHOMU PORTAL (May, 2017) [Co-author]
  • "Once Risk Averse, Banks Now Have a Rapidly Growing Start-up Spirit: FinTech Roundtable (2)," ZDNet Japan (May, 2017)
  • "3 Megabanks Talk about Forms of "Innovation in Banking": FinTech Roundtable (1)," ZDNet Japan (May, 2017)
  • "GAR Know-How: Commercial Arbitration 2017 - Japan," Global Arbitration Review (GAR), Law Business Research Limited (April 2017) [Co-author]
  • "Looking Back with Mr. Ochiai on Developments in Telemedicine and Telecare in the Past Year," MEDLEY Official Blog (February, 2017）
  • "Contracts, Negotiation and Enforcement in Japan: Overview," Practical Law, Thomson Reuters (February, 2017) [Co-author]
  • "Steps that Japanese Companies with Business in UK and EU will Need to Take in Order to Deal with Brexit – a Legal Analysis," SHOJIHOMU PORTAL (July, 2016)
  • "FinTech in Japan: Status and Future Directions Learning from the FinTech Event in Hong Kong," ZUU online (June, 2016)
  • ”Understanding the MHLW Circular on Remote Medical Consultations - Conditions for Medical Practitioners' Act Article 20 Violation Clarified, but Medical Consultation Fees not Affected,” the Nikkei Digital Health website (March 2016)
  • "GAR Know-How: Commercial Arbitration 2016 - Japan," Global Arbitration Review (GAR), Law Business Research Limited (March 2016) [Co-author]
  • "Arbitration Procedures and Practice in Japan," Practical Law, Thomson Reuters (January 2016) [Co-author]
  • Japanese translation of the IBA Guidelines for Drafting International Arbitration Clauses, listed on the IBA website (December 2011)

Newsletters

Seminars

  • Panelist in the Medicine of the Future Symposium "Creating a Society Where Life Shines," held at the EXPO 2025 Osaka Kansai site, hosted by the Japan Medical Venture Association, June 24, 2025
  • Panelist at a webinar entitled "ITechLaw Webinar: Copyright Policy Development for AI Training – An International Issue,"  hosted by ITechLaw, June 30, 2025
  • “Memo for the Promotion of EBPM in Regulatory Reform,” at the 23rd Council for Regulatory Reform of the Cabinet Office, May 28, 2025
  • "Japan's Digital Frontier: Data and AI Policy for Era of Innovation,"at the meeting of International Data Spaces Association (IDSA), June 2, 2025
  • Panelist at a panel discussion entitled “Rethinking Finance: How Financial Institutions are Responding to FinTech Innovation,” at an event entitled “AIM Congress 2025,” hosted by AIM Global Foundation, April 8, 2025.
  • “Recent Deveopment of Data and AI policy in Japan,” at an event entitled “IEEE Data Spaces Week 2025,” co-hosted by Anna University, Data Society Alliance (DSA), IOFDS (International Open Forum on Data Society) and IEEE SA DTS WG, April 7, 2025.
  • “Improving Legislation for Utilization of Medical and Other Data,” at the 3rd Meeting of the Health, Medical Care and Nursing Care Working Group of the Council for Regulatory Reform, Cabinet Office, March 31, 2025
  • “Recent Trends Surrounding Personal Information,” hosted by Japan Information Processing Development Corporation (JIPDEC) , March 5, 2025, .
  • “Latest developments in IP from a Japanese perspective," at the meeting of the EU RE4DY project, February 24, 2025
  • Panelist at a panel discussion entitled “Creating Seamless Digital Experiences with Open Banking and Embedded Finance,” at a conference entitled “Japan Banking Innovation Conference 2025,” hosted by The Banking Academy, February 20, 2025
  • “Utilization of data mainly in the quasi-public sector,” at the Liberal Democratic Party's Headquarters for the Promotion of Digital Society, February 7, 2025.
  •  “Base Registry (Public Basic Information Database)," at the workshop on digitization in FY2024, “Drastic Changes in Trends due to Successive Legal Revisions: Impact of the Base Registry for Commercial and Real Estate Registry on Judicial Scrivener Business,”hosted by Japan Federation of Shiho-Shoshi Lawyer’s Associations, February 6, 2025 
  • “Issues Related to the Utilization of Data and the State of Data Protection,” at the 1st Meeting of the Cabinet Secretariat's Council for Digital Administrative and Financial Reform's Study Group on Data Utilization Mechanism and Systems, December 26, 2024
  • Opinions on "Revitalization of Local Economies Through Radically Expediting the Search for Real Estate Owners," and "Toward Rapid Recovery and Restoration in Disaster-Affected Areas," at the 2nd Regional Industry Revitalization Working Group of the Cabinet Office’s Council for Regulatory Reform, November 26, 2024
  • Panelist in a panel discussion at the symposium “Research Project 2024 Symposium on Science and Technology: The Future of AI and Society,” hosted by the National Diet Library, November 15, 2024
  • "Regulatory Reform in a Supply-Constrained Society," at the 21st Council for Regulatory Reform of the Cabinet Office, November 12, 2024
  • “Japan's Digital Frontier: Data and AI Policy for Era of Innovation” at “The Fourth International Open Forum on Data Society (IOFDS),” held as part of Data Spaces Week 2024, hosted by the International Open Forum on Data Society (IOFDS), October 11, 2024
  • Moderator at a panel discussion entitled “AI Utilizations and Cyber Security Challenges in the Financial Industry,” at an event entitled "Challenges of AI Utilization in the Financial Industry: Global Perspectives and Japanese Approaches to Cybersecurity Risk," co-hosted by Fintech Association of Japan and Amazon Web Services Japan G.K., October 9, 2024
  • “Issues and Discussion Points for Effective Use of Urban Areas and Real Estate,” at a forum entitled "The 2nd Vacant House Utilization Forum 2024 in Izumisano," hosted by Johotoshi co., October 5, 2024
  • Speaker at a panel session entitled "Navigating the cybercrime landscape for GCs" at the GC Summit Japan 2024, hosted by The Legal 500, October 3, 2024
  • "New Financial Services - The Next Step in Fintech," hosted by Atsumi & Sakai, Fintech Association of Japan, KPMG AZSA LLC and Funds, Inc., March 8, 2024
  • Participated in the following roundtables at the event entitled “FIN/SUM2024 Building a Bright Future: Fintech for Happy Growth,” co-hosted by Nikkei Inc. and the Financial Services Agency, March 8, 2024
    - "Fintech Chat-Session 'The True Story of Intermediary Businesses'"
    - "Realizing Innovation through Collaboration between Regional Financial Institutions and Domestic and International Fintech Companies, etc."
    - "How Regional Financial Institutions Should Provide Funding for Startups"
  • “Japan's Digital Frontier: Data and AI Policy for Era of Innovation,” at the International Open Forum on Data Society, hosted by Dawex and co-organized by the Data Society Alliance and IEEE SA P3800 WG, February 12, 2024
  • Panelist at a panel discussion entitled “What's the Color of Your Toolbox? ～How LLM Impacts Healthcare～” at the Healthtech Summit, co-hosted by MedPeer, Inc. and Nikkei Inc., December 12, 2023
  • Panelist at a panel discussion at a symposium entitled “Promotion of Healthcare Innovation by DFFT,” hosted by The American Chamber of Commerce in Japan, November 30, 2023
  • "The Desirable State of Pharmaceutical Sales in Light of the Usefulness of Digital Technology: Economic Impact and the Future of Pharmaceutical Sales," hosted by Policy Research Institute, November 14, 2023
  • Evaluator in the Ministry of Justice’s "Regulations (regarding Notarization of Articles of Incorporation by Notary Public)" at the "Administrative Business Review - Fall Review (Fall Annual Public Validation)," hosted by Cabinet Secretariat, November 11, 2023
  • Panelist at a panel discussion entitled “Generative AI Era and Regulation,” at an event entitled “RegTechDay - RegTech Consortium Kick-off Event,” hosted by the Digital Agency, October 27, 2023
  • "Fintech and Financial Regulation in Asia," hosted by the University of Exeter, October 27, 2023
  • Moderator at a seminar entitled "How to Implement Effective ESG Strategies? Global Trends and Practical Issues," co-hosted by the Japan Federation of Bar Associations and the International Bar Association, October 2, 2023
  • Speaker at a panel session entitled "The importance of supply chain and human rights due diligence" at the GC Summit Japan 2023, hosted by The Legal 500, September 28, 2023
  • "Recent Discussion on Digital Policy and AI Auideline in Japan," at the 2nd IEEE SA & DSA International Standardization Roundtable, co-hosted by Data Society Alliance and IEEE SA P3800 DTS (Data Trading System) WG, July 17, 2023
  • "Utilization of AI in Fintech," co-hosted by Policy Research Institute and the Fintech Association of Japan, July 12, 2023
  •  Discussion with students on Smart Cities/Super Cities in a lecture at the Faculty of Law, Kyushu University, July 7, 2023
  • "Study Session on “Big-boned” Policy, and Digital Omnibus Bill ~ Focusing on Trinity Reform of the Labor Market and Digital Omnibus Bill," hosted by  Policy Research Institute, July 4, 2023
  • “The Development of Web 3.0,” at the Kyushu Digital Finance Seminar/Meetup, co-hosted by Fukuoka Prefecture, FINOLAB Inc. and Fintech Association of Japan, June 27, 2023
  • "Significance and Challenges of Considering CBDC - In View of the Large Impact the Basic Composition has on Social Conditions," co-hosted by Policy Research Institute and Money Forward, Inc., June 20, 2023
  • "Issues and Other Considerations Concerning Local Cities," at the 2nd Evaluation and Promotion Committee for the Revitalization of Central City Areas, hosted by the Cabinet Office, May 23, 2023
  • "DFFT (Data Free Flow with Trust) Initiative meeting," co-hosted by the Data Society Alliance (DSA) and the IEEE SA P3800 DTS (Data Trading System) WG, April 29, 2023
  • "Digital Transformation Summit," co-hosted by The Ministry of Economy, Trade and Industry and the World Economic Forum Centre for the Fourth Industrial Revolution Japan, April 28, 2023
  • "Agile Governance Summit," hosted by the World Economic Forum Centre for the Fourth Industrial Revolution Japan, April 27, 2023
  • An opinion on “Expanding the Scope of Drugs that Can Be Deployed in Home Nursing Stations (STs),”at the 7th Meeting of the Working Group on Medical Care, Nursing Care, and Infectious Disease Control of the Cabinet Office’s Council for Regulatory Reform, March 6, 2023
  • An opinion on “Option Development for the Promotion of Science-Based Nursing Care,” at the 7th Meeting of the Working Group on Medical Care, Nursing Care, and Infectious Disease Control of the Cabinet Office’s Council for Regulatory Reform, March 6, 2023
  • "Preparation of Ecosystem for Regulatory Technology," at the round table meeting for the data society, hosted by Data Society Alliance and IEEE SA P3800 DTS (Data Trading System) WG, February 6-8, 2023
  • "Introduction of IPO by Local Companies," hosted by Atsumi & Sakai, December 5, 2022

  • JFSA On-demand Training entitled "Latest Trends in the Fintech Sector," hosted by Japan Financial Services Association, September 26, 2022

  • "Overview of Case Studies of Embedded Finance in Foreign Countries and Legal Points to Note upon Implementation in Japan," at a syposium "[EXECUTIVE SYMPOSIUM] Potential for Embedded Finance and Governance Risk Management," hosted by Seminar Info Co.,Ltd., July 7, 2022

  • Panel discussion entitled "Trends towards MaaS and the Realization of Mobility Transformation in Japan," at the "Global IP Strategy Forum 2021," hosted by the Japan Patent Office and National Center for Industrial Property Information and Training, January 25, 2021
  • "How to Get Along with Law regarding New Business with Mobility-as-a-Service (MaaS)," hosted by Atsumi & Sakai and Loftwork Inc., December 10, 2020 (Webinar)
  • "Innovation and Regulatory Initiatives," at a syposium "Insights into the New Era of Industrial Innovation and related Legal Issues," hosted by Westlaw Japan K.K. and Jiji Press, Ltd., January 30, 2020
  • Panel Discussion entitled "Data Sandboxes, Regulatory Sandboxes and Test Environments," at the Event entitled "FDATA GLOBAL OPEN FINANCE SUMMIT & AWARDS 2019," hosted by Financial Data and Technology Association, December 5, 2019
  • Panel Discussion entitled "From Open API to Open Banking: Lessons Learnt from International Experience and the Outlook of Future Trends," at the Event entitled "International FinTech Forum," hosted by FINTECH TAIPEI 2019, November 29, 2019
  • Panel Discussion entitled "Roles and Opportunities for Lawyers and Government Officials and the Future of Rulemaking," organized by Public Meets Innovation, November 19, 2019
  • "MaaS × Fintech Meetup," hosted by JCoMaaS and the Fintech Association of Japan, November 11, 2019
  • "Regulations on Settlement Service Systems," hosted by JCoMaaS, October 29, 2019
  • Presentation "Legal Nature, Governance Innovation" at the seminar entitled "Capital Markets Subcommittee - Preparation Meeting for the Working Group on Decentralized Finance," hosted by the Fintech Association of Japan, October 24, 2019
  • Presentation "Overview of Laws and Regulations in relation to InsurTech," hosted by the Global Financial Partnership Center (GLOPAC), October 18, 2019
  • Presented at the roundtable at the event "Meetup with FSA in Kyoto," hosted by the Fintech Association of Japan, October 4, 2019
  • Presented at the panel discussion at the seminar entitled "Latest Trends in Real Estate Tech," hosted by the Real Estate Tech Association for Japan, September 17, 2019
  • Presentation "Introduction of the Fintech Association of Japan and Trends in Fintech related to Securities," hosted by Japan Securities Dealers Association, September 13, 2019
  • Presentation "Data Utilization for Financial Related Businesses," at "Society 5.0 and Data Distribution" Committee, hosted by JEITA, September 12, 2019
  • Workshop entitled "RegTech & Pain Point Workshop," at the event entitled FINSUM (Fintech & Regtech Summit), hosted by Nikkei Inc. and Financial Services Agency, September 6, 2019
  • "Global Trends in Fintech," at the Cambridge Judge MBA Talk Session＃4, September 5, 2019
  • "The Dawn of Real Estate Tech: What is Happening in the Industry Now?" at the event entitled, "Rental Housing Fair 2019 in Tokyo," hosted by Zenkoku Chintai Jutaku Shinbun, on July 30 to 31, 2019 (As a board member of the Real Estate Tech Association for Japan)
  • Acted as a moderator at a special symposium entitled, "Personal Data Utilization in the Age of Data Portability," hosted by the Business Research Institution, Information Network Legal Group, July 27, 2019 (As Secretary of the Business Research Institution)
  • Presentation entitled "AI Development Contracts: Consideration of Business Practices based on Mock Trials," at the joint research of the AI Working Group of the Expansion of Attorney Activities Committee, July 11, 2019 (Mock trial – plaintiff’s side attorney)
  • Presentation entitled "Recent regulatory changes in Japan" at the seminar entitled "For Tech Companies looking to expand to Japan: Discuss with stakeholders on TIPS to enter the Market with the Government.," hosted by Embassy of Japan in the UK, Cabinet Secretariat of the Government of Japan and the Fintech Association of Japan, June 28, 2019
  • "Round Table on Regulatory Sandbox between Israel and Japan," hosted by Embassy of Japan in Israel, Cabinet Secretariat of the Government of Japan and the Fintech Association of Japan, June 27, 2019
  • Lecture entitled "Financial Industry Theory in the Digital Era: Introduction to FinTech, Part 8, Law and Regulations and Information Banks," hosted by the Graduate School of Business Administration, Keio University, June 25, 2019
  • An event entitled "Global Fintech," at an event of "G20 Week"
    Acted as a moderator in the panel discussion entitled "Latest Trends of Proptech: Expansion of Proptech related to Real Estate Business also concerning Finance in the U.S.A. and other Countries, and the Business Situation in Japan," hosted by the Fintech Association of Japan, Fukuoka D.C. and Fukuoka City, June 3, 2019
  • "The Need for Regulatory Reform in the Fintech Sector" presented at the Liberal Democratic Party of Japan’s Special Committee on IT Strategy on April 11, 2019
  • "What is next after going cashless? Expert view on the future of FinTech" at the seminar entitled "JAPAN INNOVATION DAY 2019 by ASCII STARTUP," hosted by KADOKAWA ASCII Research Laboratories, Inc., March 22, 2019
  • "The Health Stack," at the INDIA STACK WORKSHOP, hosted by the Center for the Fourth Industrial Revolution Japan of the World Economic Forum, February 26, 2019
  • "Chinese Cyber-Security Law and practical problems and solutions related thereto," hosted by Atsumi & Sakai, Internet Intiative Japan Inc. and Japan Institute for Overseas Investment (JOI), February 8, 2019
  • "Utilizing AI in Legal Services," at the 30th Conference on Reform of Legal Services, hosted by the legal services reform committee of the Japan Federation of Bar Association, February 4, 2019
  • "Fintech – Latest Trends of Virtual Currency and ICO Regulations,” at the No. 11 section meeting of the 18th conference of the Information Network Law Association Japan, December 9, 2018
  • “Regulations and Practice Related to Online Medical Care,” at Chiba University’s course entitled “Telemedicine Management Course,” December 7, 2018
  • "Regulatory Issues of Fintech,” at the 7th investment working group, hosted by the Regulatory Reform Promotion Council of the Cabinet Office, December 6, 2018
  • “Issues and Scoring of Information Utilization,” at the 3rd working group on financial data, study group for ideal approaches to a certification scheme concerning functions of information trust, hosted by the Ministry of Internal Affairs and Communications, December 5, 2018
  • “Utilization of Technology for Legal and Regulation Practices – In Light of Efforts in Japan and Abroad for Legaltech and Regtech,” at the seminar entitled “Legal Innovation Conference – Future of Legal Practice Carved Out by Innovation,” hosted by BUSINESS LAWYERS (Bengo4.com, Inc.), December 5, 2017
  • Panelist at the panel discussion entitled "Outlook for Personal Information Protection and Privacy Following Application of GDPR," at the seminar entitled "EY Privacy Seminar 2018 - Protection and Use of Personal Data in Globalization and Digitalization," hosted by EY Advisory & Consulting Co., Ltd., November 27, 2018 
  • Workshop entitled “Current Status and Future of Real Estate Tech,” at the “LivingTech Conference 2018,” hosted by LivingTech, November 21, 2018
  • "Recent Efforts in Each Country Concerning Information Digital Law," at the seminar entitled "Joint Seminar～The First Anniversary of the Memorandum of Friendly Cooperation between CNB and JFBA～," co-hosted by Conseil National des Barreaux and the Japan Federation of Bar Associations, November 20, 2018
  • Panelist at the panel discussion entitled “Business Process Reengineering and Future Possibilities Brought on by Technology Development,” at the 2018 Forum of the Japan Property Management Association Forum," Nobember 13, 2018
  • “Regulations on Virtual Currency,” at a special lecture of the Institute of Information Security, October 3, 2018
  • "Vision of the Future and Issues in Legal Systems of FinTech," at the Policy Cafe, hosted by the non-profit organization Mannen Yato (Perennial Opposition), September 28, 2018
  • "Regulatory Reforms and Actual Handling of Grey-Area Matters as well as the Introduction of the Japanese Version of the Sandbox System" at the "Third Meeting in FY 2018 of the Committee on Promoting Utilization," hosted by the Data Trading Alliance, September 28, 2018
  • Moderator at the panel discussion entitled "Utilization and Trends of Fintech in the Financial Sector" at the "Fintech Seminar," co-hosted by the Type II Financial Instruments Firms Association and the Fintech Association of Japan (as the secretary general of the subcommittee of the Fintech Association of Japan), September 27, 2018
  • "Public-Private Trends on Data Distribution and Utilization in the Financial Industry," at the "Second Meeting of the Data Distribution and Utilization Working Group of the Executive Committee on the Basic Plan of Promotion of Public-Private Data Utilization," hosted by the Cabinet Office, September 11, 2018
  • "Japan Fintech’s Trends and Bank APIs," at the seminar entitled "Joint Japan-Korea IT Seminar 2018," hosted by the Japan Information Technology Services Industry Association (JISA) and the Federation of Korean Information Industries (FKII), September 4, 2018
  • "Regulatory Issues of Fintech," at the "Second Meeting of the Subcommittee on the Review of Common Commercial Transaction Rules on Connected Industries, the Commerce, Distribution and Information Committee, Industrial Structure Council," hosted by Ministry of Economy, Trade and Industry, August 31, 2018
  • “Personal Information Protection System of Business and the World (Data Protection Act) Part II,” hosted by Atsumi & Sakai and Westlaw Japan K.K., August 29, 2018
  • "Report on the Status of Discussions between the Japan Medical Venture Association and Related Parties on Revisions of the Pharmaceuticals and Medical Devices Act," at the "Medical Devices Group Subcommittee," hosted by the Japan Medical Venture Association, August 24, 2018, 
  • "Latest Trends of InsurTech in Japan and Overseas and Important Legal Points," hosted by Seminar-Info, August 8, 2018
  • “Innovation of the Fourth Industrial Revolution and Medical Systems,” at the event entitled “Precision Medicine Roadshow,” hosted by the World Economic Forum Centre for the Fourth Industrial Revolution Japan, August 6, 2018
  • “Current Banking API in Japan,” at the event entitled “Japan / UK Open Banking and APIs Summit 2018,” hosted by FinTechLabs.io, July 25, 2018
  • “The 29th Summer Consumer Seminar of the Japan Federation of Bar Association, “Virtual Currencies and Consumers”,” hosted by the Japan Federation of Bar Associations, July 14, 2018 
  • “Real Estate Technology Seminar: Association Outline Announcement and Overseas Real Estate Technology – The Second Seminar to Establish The Real Estate Tech Association for Japan!,” hosted by The Real Estate Tech Association for Japan, July 10, 2018
    *Panel discussion entitled "Association Outline Announcement and Announcement of the Director at the Time of Establishment”
  • Moderator at the panel discussion entitled "Promotions towards a Cashless and Paperless Society," at the seminar entitled "The 1st Meeting of the Cashless Subcommittee," hosted by the Fintech Association of Japan, July 5, 2018
  • “Personal Information Protection System of Business and the World (Data Protection Act),” hosted by Atsumi & Sakai and Westlaw Japan K.K., July 4, 2018
  • "Basics of Fintech and Trends of Regulations," at the seminar entitled "FY2018: Consumer Trouble over the Method of Payment, a Specialized Course with Case Studies, Consumer Life Counselor Training," hosted by the National Consumer Affairs Center of Japan, July 3, 2018
  • Moderator at the panel discussion entitled "Patent Strategies of Medical Ventures," at the seminar entitled "Study Meeting on Medical Ventures X Intellectual Property Strategy," hosted by the Japan Medical Venture Association, June 28, 2018
  • "Comprehensive Explanation of the Regulatory System of Remote Medical Treatment and Practical Matters: “Online Medical Treatment, Remote Health Medical Consultations and the Prescription of Pharmaceutical Products” following the Online Medical Treatment Policies Presented by the Ministry of Health, Labor and Welfare and the Revision of Medical Treatment Fees," hosted by the Japan Planning Institute, June 28, 2018
  • Panelist at the seminar entitled "The 18th Fintech Study Group," hosted by Money Forward, Inc., June 25, 2018
  • Presentation and panel entitled "Trends of Government Regulations on Remote Medicine in Japan and Practices Based on the Handbook of J-INTEREST," at the scientific meeting eneitled "Views on Remote Psychiatric Care in Japan: Government Trends and the Research Results of J-INTEREST by AMED," hosted by the Japanese Society of Psychiatry and Neurology, June 21, 2018
  • "Results of Public Comments on the Amended Banking Act of 2017," hosted by the subcommittee on AI Security of the Fintech Association of Japan and  the Japan Association for Financial APIs, June 18, 2018
  • ”Personal Information Protection Systems in Countries Outside Japan - From Recent Trends to the Statuses in Emerging Countries," hosted by Atsumi & Sakai and Japan Institute for Overseas Investment (JOI), June 15, 2018
  • "Study Group on Intellectual Property Strategies by the Japan Patent Office X Fintech Association of Japan," at the seminar entitled "FY2018: Consumer Trouble over the Method of Payment, a Specialized Course with Case Studies, Consumer Life Counselor Training," hosted by the National Consumer Affairs Center of Japan, June 14, 2018
  • Moderator at the panel discussion entitled "Tasks of Medical Ventures," at the general meeting of the Japan Medical Venture Association, June 11, 2018
  • Panelist and moderator at "Study Group on Intellectual Property Strategies by the Japan Patent Office X Fintech Association of Japan," hosted by the Fintech Association of Japan, June 7, 2018
  • “Open API: Practical Solutions for Banks – Including Repercussions for Credit Card and Insurance Companies,” hosted by Seminar-Info, May 28, 2018
  • "An Organization of Legal Tasks of Online Consultations: From Guidelines to Remote Medication Guidance," at the seminar entitled "Online Medical Treatment (Remote Medical Examinations) - How to Take an Active Part in this Field? By Reading the Revision of Medical Treatment Fees and Guidelines by the Ministry of Health, Labor and Welfare, and Exploring Possibilities and Challenges," hosted by the Nikkei Digital Health, May 24, 2018
  • "Laws concerning Remote Medicine," at the seminar entitled "Remote Medicine Management Program," hosted by School of Medicine, Chiba University, May 19, 2018
  • “Trends, Self-regulation and Safety Measures, etc. of Virtual Currency by Regulatory Authorities, etc.,” at an event entitled “The 13th Kanagawa Cyber Crime Measures Study Group: Recent Situation of Cyber Space and Countermeasures – Current Situation of the Dark Web and Virtual Currency,” hosted by the Kanagawa Prefectural Police, the Institute of Information Security, and the Not-for-Profit Organization of Information Security Forum, May 15, 2018
  • “2017 2nd Joint Conference by the AI Network Laws and Policies Study Group and the Information and Communication Economic Laws Study Group,” hosted by The Japan Society of Information and Communication Research’s (JSICR), March 23, 2018
    *Report entitled "Discussions on the usage situation, legal liabilities, and regulations, etc. in each field"
    *Panel discussion entitled "Suggestions gained from trends of laws and policies concerning AI networking"
  • “Regulations on Cross-Border Data Transfers in the EU, North America, & East Asia: Trends and Compliance Required of Companies,” at a seminar entitled “Cross-Border Personal Information Transfer Seminar – Specific Approach for Global Businesses,” hosted by the Japan Information Processing Development Center (JIPDEC), co-hosted by Atsumi & Sakai and KPMG FAS Co., Ltd., March 13, 2018
  • “ICO: Developments in Regulations in Other Countries and Status of Discussion in Japan,” at a workshop on Virtual Currency and Blockchain, hosted by the Japan Financial Services Association, February 27, 2018
  • Moderator at the event entitled "Fintech Meetup in Fukuoka," hosted by the Fintech Association of Japan, co-hosted by Fukuoka City, February 16, 2018
  • “ICO: Developments in Regulations in Other Countries and Status of Discussion in Japan,” at a seminar entitled “ICO Seminar for Beginners,” hosted by Finance-Tomonkai, February 9, 2018
  • “Legal Knowledge for an Entry into Telemedicine,” at the seminar entitled “Study Session on Telemedicine for 2018 Medical Treatment Fees – Systems Related to Telemedicine and Trends in Medical Treatment,” hosted by the Nippon Omni-management Association, February 5, 2018
  • “Fintech: Basics and Trends in Regulations,” at the 83rd forum entitled “Fintech and Innovation – Fintech will Change Finance and Corporate Culture in Japan,” hosted by the Team Sunrise, December 21, 2017
  • “Open API: Practical Solutions for Banks – Including Repercussions for Credit Card and Insurance Companies,” hosted by Seminar-Info, December 20, 2017
  • "Key Points for Contracts and Management with Venders in Light of Litigation Cases such as Credit Card Information Leaks," at the 6th plenary meeting of the 2017 Legal Research Group, hosted by the Japan Consumer Credit Association, December 14, 2017
  • “Introduction to Trends in Fintech in Light of Changes in ReTech,” at a seminar entitled “ReTech Business Study Group Seminar,” hosted by ReTech Business Study Group and Digital Hollywood University Graduate School, December 5, 2017
  • "Issues for Steady Promotion of Remote Medical Consultations – Analysis of Legal Issues," at an event entitled "Joint Conference on Medical Informatics," hosted by the Japan Association for Medical Informatics, November 23, 2017
  • "Basics of Financial Institutions' API and Practical Tips on Banking API," at the 17th conference of the Information Network Law Association Japan, November 12, 2017 (as a chief of the subcommittee of the Fintech Association Japan)
  • "Symposium on Cyber Crime Prevention in Yokohama 2017," hosted by the Kanagawa Prefectural Police and the City of Yokohama, co-hosted by the Not-for-Profit Organization of Information Security Forum, October 19, 2017
     - Presentation "Virtual Currency, How Bit Coin Works, Current Situation, and Measures to Prevent Damage"
     - Panelist at a panel discussion "Cyber Crime and Cyber Attacks are Not Just Someone Else's Problem"
  • "Report on System Issues Related to Telemedicine and Telecare," at the 4th healthcare working group, hosted by the Japan Medical Venture Association, October 10, 2017
  • "Developments in ICO Regulations in Other Countries," at the regular meeting on virtual currency, hosted by the Japan Blockchain Association, October 10, 2017
  • "Recent Trends in Banking API: Analysis of Trends toward Introduction, in Light of the Trends at FSA, the Japanese Bankers Association, the FISC, the Fintech Association of Japan, and Others.," at the Second Fintech Study Group Meeting, hosted by the Second Assosiation of Regional Banks, October 5, 2017
  • "FinTech and Security: Efforts by the FinTech Association Japan and Status of Discussions on API by the Japanese Bankers Association and the Center for Financial Industry Information Systems," at an event entitled "Security Week 2017," hosted by NANO OPT Media, Inc., September 27, 2017
  • "Latest Legal Compliance for Open API Introduction required of Financial Institutions, including Repercussions from the Amended Banking Act to Credit Card APIs," hosted by Financial Facsimile News, organized by FN Communications, September 22, 2017
  • Moderator at a workshop entitled “Future Society to be Created by Open Bank, API, and Data Portability," at an event entitled "FIN/SUM WEEK 2017," co-hosted by Nikkei Inc., the Financial Services Agency, and the Fintech Association of Japan, sponsored by Mitsubishi Estate Co., Ltd., September 20, 2017
  • "Study Session on the Proposed Amendments to the Banking Act to Respond to FinTech," hosted by the Information Technology Federation of Japan, September 5, 2017
  • "OpenCanvas Forum," hosted by NTT DATA Corporation, August 4, 2017
     - Explanation of "Trends in Response to the Amended Banking Act"
     - Panel Discussion "New Financial Services Brought about by Open API"
  • "Latest Legal Compliance for Open API Introduction required of Financial Institutions, including Repercussions from the Amended Banking Act to Credit Card APIs," hosted by Semina-Info, August 2, 2017
  • Panelist at a session entitled "AI Development and the Impact on Business and Civil Life: a Lawyer's Perspective," at a summer joint workshop, hosted by the Tokyo Bar Association, July 12, 2017
  •  "FinTech and Security: Efforts by the FinTech Association Japan and Status of Discussions on API by the Japanese Bankers Association and the Center for Financial Industry Information Systems," at an event entitled "Interop Tokyo 2017," hosted by the Interop executive committee, June 7, 2017
  • “Latest Developments in the Creation of a Fintech Regulatory System and Discussions at the FinTech Association Japan,” hosted by NTT DOCOMO, INC., June 2, 2017
  • "European Union discussions of robots and civil liability," at a conference entitled "The 5th Conference toward AI Network Society," hosted by  the subcommittee on Impact and Risk Assessment of the Ministry of Internal Affairs and Communications, May 30, 2017
  • "Practical Key Points on Open Bank API Based on the Proposed Amendments to the Banking Act," hosted by Financial Facsimile News, organized by FN Communications, May 22, 2017
  • "Fintech and Deregulations," in a lecture by Takafumi Okita, a specially appointed professor, entitled "Introduction to FinTech Innovation," at SBI Graduate School, May 20, 2017
  • "Recent Developments on the Secondary Market in Fintech and Data Utilization in the Field of Healthcare," hosted by the Healthcare IoT Consortium, May 18, 2017
  • "Practical Key Points on Open Bank API Based on the Proposed Amendments to the Banking Act," hosted by Seminar-Info, May 12, 2017
  • "European Union discussions of robots and civil liability," at a conference entitled "The 4th Conference toward AI Network Society," hosted by the Ministry of Internal Affairs and Communications, April 27, 2017
  • "European Union discussions of robots and civil liability," at a conference entitled "The 4th Conference toward AI Network Society," hosted by the subcommittee on Impact and Risk Assessment of the Ministry of Internal Affairs and Communications, April 20, 2017
  • "Study Session on the Proposed Amendments to the Banking Act to Respond to FinTech," hosted by the Japan Association of New Economy, April 14, 2017
  • "The Relationship between Japan's Amended Personal Information Protection Act, the EU General Data Protection Regulation and Brexit in a Global Context," hosted by Atsumi & Sakai in collaboration with Taylor Wessing Hamburg and Taylor Wessing London, March 24, 2017
  • "Law Reinforcement Issues in the Face of Continuing ICT Promotion in Health, Healthcare, and Caregiving Field," at the 61st Breakfast Meeting hosted by the Health and Global Policy Institute, March 24, 2017
  • Panel Discussion entitled "Wealth and Happiness Brought about by AI Networking," at an international symposium entitled "International Forum Toward AI Network Society," hosted by Japan's Ministry of Internal Affairs and Communications (MIC), March 14, 2017
  • "Basics of Fintech Legal Practice – Covering Issues Related to Intellectual Property, Agreements, and IoT/AI," hosted by the Japan Consumer Credit Association, March 7, 2017
  • “Developments in InsTech and the Use of AI: Trends in Finance and Industry Related to AI and Some Potential Risks,” hosted by Seminar-Info, February 21, 2017
  • "FinTech: Actual Situations in Japan and Abroad," at an event entitled "Myojo Waraku 2016 Tech Day," hosted by Mjoyo Waraku, November 11, 2016
  • “Voluntary Efforts at Formulation of Security Guidelines,” at the forum entitled “2nd FinTech Forum―Open Innovation in Financial Services,” hosted by the Bank of Japan Payment and Settlement Systems Department’s FinTech Center, November 8, 2016
  • “The Blockchain and What it Means for Finance and Industry,” at 7th FINE Forum, hosted by Keio University FINE Consortium, supported by the FinTech Association Japan, Digital Hollywood University Graduate School, Cyber-finance Lab Project, collaborated with FINOVATORS and FINOLAB, October 31, 2016
  • "Strategies and Legal Practice of InsTech: Changes Lead by InsTech and Key Legal Points,” hosted by Seminar-Info, October 21, 2016
  • "Useful Knowhow for Introduction of Marketing Technology in the Financial Industry," hosted by Adobe Systems Software Ireland Ltd, October 5, 2016
     - "Adobe IT Session: Latest Developments in the Creation of a FinTech Regulatory System"
  • "How will AI Change the World? Special Discussion with Rana el Kaliouby, Ph.D. CEO of Affectiva, an MIT Emotional Intelligence Start-up and Fenox Venture Capital General Partner & CEO Anis Uzzaman, Ph.D.," hosted by the Keio University Fine Consortium, September 6, 2016
     -"Considerations for AI and Related Laws in Germany and Japan"
  • "Remote Medical Treatment – A Legal Perspective," hosted by Healthcare Hackathon in Marumori Town, Miyagi, July 16, 2016
  • “Prerequisites for FinTech Development in Japan – a Look at Specific Legislative Provisions” held by the FinTech Association of Japan, March 30, 2016
  • "Remote Medical Treatment – A Legal Perspective," hosted by the Community of Hospital Administrators (Byoin Jimushoku Koryukai), March 26, 2016
  • "Data Protection Seminar - Japan/ASEAN/EU," hosted by Atsumi & Sakai in collaboration with Taylor Wessing and RHTLaw Taylor Wessing, March 1, 2016
  • "Prevention of Corporate Scandals and Damage Mitigation After Scandals Occur: Creating a Corporate Environment in which Scandals are Avoided and not Overlooked," hosted by Atsumi & Sakai, with support from LexisNexis Japan, and the Business Law Journal, February 5, 2016
  • "Future Amendments to the Long-Term Care Insurance Act – Possibility of Business Succession and M&A," at the Life Ending Industry EXPO 2015 (ENDEX), hosted by the ENDEX Executive Committee, December 08, 2015
  • Acted as a claimant’s counsel at a mock trial session of the YSIAC Advocacy Roadshow, hosted by the Singapore International Arbitration Centre (SIAC), November 12, 2015
  • Commentator and panelist at a seminar held by the Japan Association of Arbitrators to commemorate the publication of "Training Material for International Arbitration Practice," October 21, 2015
  • "Healthcare and IT - Regulations for Telemedicine, Apps and Advertisements," hosted by Healthcare Hackathon, October 18, 2015
  • "Learning from Past Business Failures in China - Sharing Recent Cases, including the LIXIL Group Corporation Case (Huge Losses Stemming from the Insolvency of a Subsidiary Operating in China), and Recognizing Specific Pitfalls for the Future," seminar at the 146th IBL Chinese Lawyers’ Club, hosted by the Japanese Institute of International Business Law, Inc., October 13, 2015
  • Panelist at a panel discussion on "Significant Cases: Shanghai Chaori Solar Energy Science & Technology Corporation case of China" at the 7th Annual Symposium of the East Asian Association of Insolvency and Restructuring, hosted by the East Asian Association of Insolvency and Restructuring, September 12, 2015
  • "Outline of Litigation in China and Recent Amendment of Consumer Protection Act," seminar at the 132th IBL Chinese Lawyers’ Club, hosted by the Japanese Institute of International Business Law, Inc., February 10, 2014
  • "Practical considerations regarding use of CIETAC (China International Economic and Trade Arbitration Commission) as a dispute resolution forum," hosted by the Business Research Institute, April 19, 2013
  • "The increasing importance of dispute resolution methods for business in China: CIETAC arbitration and other methods," hosted by the Financial Management Forums, Inc., February 26, 2013
  • "Essentials of commercial law in China," hosted by the Business Research Institute, February 8, 2013
  • "Essentials of commercial law in China," hosted by the Business Research Institute, August 27, 2012
  • "Latest trends in exposing corruption in international business," hosted by the Financial Management Forums, Inc., March 22, 2012
  • "Bankruptcy in China," hosted by the Japanese Institute of International Business Law, Inc., February 29, 2012
  •  "China bankruptcy procedures: the basics and practical considerations," hosted by the Business Research Institute, February 8, 2012
  • "Bankruptcy in China: what court precedents reveal, and what can be done to prepare for a Chinese corporate bankruptcy," hosted by the Financial Management Forums, Inc., September 29, 2011
  • "Bankruptcies in China: some court precedents," hosted by SHOJI HOMU, March 28, 2011