- Languages
- JapaneseEnglish
Contact Information
- TEL
- +81-3-5223-7728
- FAX
- +81-3-5223-7628
Practice Areas
- Corporate Governance
- Regulatory/Regulated Transactions
-
Crisis Management
- Internal Investigations/Investigations by Committees
- Dealing with Relevant Authorities
- Investor Relations/Media Relations
- Unfair Trading (Insider Trading, etc.)
- Employee Fraud (Embezzlement/Fraudulent Transactions, etc.)
- Trade Secrets/Information Leaks
- Litigation related to Corporate Misconduct
- Whistleblowing, etc.
Hideki Matsui：Awards
- Awards
- The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2025 edition)
- Awards
- The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2024 edition)
- Awards
- Lawyers from Mori Hamada & Matsumoto were included in the 13th edition of The Best Lawyers in Japan™ and the inaugural Best Lawyers: Ones to Watch in Japan™
Hideki Matsui：News
- Public Service
- Hideki Matsui becomes a director of Japan-Taiwan Jurists Association
- Public Service
- Hideki Matsui became the Institute of Business Law and Comparative Law & Politics, Graduate Schools for Law and Politics University of Tokyo (IBC) Visiting Professor
- Firm News
- Hideki Matsui takes part in creation of "Cooperation Between Audit & Supervisory Board Members and Internal Audit Divisions," released by the Japan Audit & Supervisory Board Members Association
Hideki Matsui：Seminars
- Feb. 16, 2007MHM Seminars
- MHM Seminar
- Oct. 20, 2006MHM Seminars
- MHM Seminar
- May 10, 2006MHM Seminars
- a seminar on the new Corporation Law
Hideki Matsui：Publications
- Book
- "Compliance for Bank Clerks [Expanded 14th ed.]"
- Book
- "Compliance for Managers [Expanded 15th ed.]"
- Magazine Article
- "Changes in Practices of & Regulations for Shareholder Meetings"
Hideki Matsui：Other
Background
- The University of Tokyo (LL.B., 1983)
Major Activities
- Visiting Associate Professor at The University of Tokyo Law School (2004-2007)
- Financial ADR Mediator and Arbiter for Tokyo Bar Association (2010)
- Outside Director of Japan Radioisotope Association (2012-2022)
- Corporate Auditor of Japan Human Resources Co., Ltd. (2015-2020)
- Specialist Member of Audit Law Committee, Japan Audit & Supervisory Board Members Association (2015)
- Auditor of The Foundation for Research in Civil Dispute Resolution (2016)
- Outside Director of Japan Platform of Industrial Transformation, Inc. (2020)
- JINSEKI KOGEN GAKUEN INSTITUTION Auditor (2020)
- Institute of Business Law and Comparative Law & Politics, Graduate Schools for Law and Politics University of Tokyo (IBC) Visiting Professor (2023)
- Director of Japan-Taiwan Jurists Association (2023)
Bar Admissions
admitted in Japan, 1990
Tokyo Bar Association