Awards and Honors

Highlighted as “a respected figure among peers in Japan’ data market”, and for “expertise with IT, cybersecurity, copyright and media matters in particular”, by Who’s Who Legal (2019)

Highlighted as Most Highly Regarded for “his wide-ranging knowledge and his experience in start-up investment deals” and for “his excellent work on complex TMT matters”, by Who’s Who Legal (2018)

Ranked as Most Highly Regarded in the TMT sector, internationally praised by sources for “excellent written and verbal communication skills” as well as “efficient work and exceptional attention to detail”, by Who’s Who Legal (2017)

Highlighted in the TMT sector as "a gifted practitioner" whom clients "cannot recommend highly enough" by Who’s Who Legal (2016)

Recommended in the TMT sector in Japan with an "impressive roster of international clients" by Who's Who Legal (2015)

Identified as one of the leading players in the TMT sector in Japan by Who's Who Legal (2014)

Practice Area


Executive Management Program, The University of Tokyo (Spring, 2013)
Columbia Law School (LL.M.,2004)
Legal Training and Research Institute of the Supreme Court of Japan (1997-1999)
Keio University (LL.B.,1995)


New York (2005)
Japan (1999)


TMI Associates (Associate, 1999-2006; Partner, 2007-Present)
Examination Member of Bar Examination (Commercial Law) (2014, 2015, 2016)
Simmons & Simmons, London (2004-2006)
Tokyo Electric Power Company, Inc. (1995-1996)


Japanese / English


Tokyo Bar Association
Japan Federation of Bar Association

Articles & Publications

2018/01/01 ARTICLE “Japan chapter of Getting The Deal Through”
2017/01/01 ARTICLE “Japan chapter of Getting The Deal Through”
2016/01/01 ARTICLE “Japan chapter of Getting The Deal Through”
2015/08/01 ARTICLE “Cybersecurity Requiring the Active Involvement of Legal Departments”
2015/06/19 BOOK “At the Forefront of Doing Business in India – Guidebook for Legal Issues with Q&As to Enable a Deeper Understanding”
2015/01/01 ARTICLE “Japan Chapter of Getting the Deal Through”
2014/05/14 ARTICLE “Protection of Trade Name in Asian Nations (Part 1)”
2014/02/10 ARTICLE “Legal Systems in Various Asian Countries Related to Debt-Collection”
2013/07/01 ARTICLE “The Court and Arbitration System in India: Distinctive Features to be Noted in India such as Protracted Proceedings, Interference into Foreign Arbitrations by the Court, etc.”
2013/06/03 ARTICLE “Practical Points to Consider in M&A in India: Provisions Commonly Accepted in Cross-border M&A Cases May Not Apply in India”a entitled “Practical Points to Consider in M&A in India: Provisions Commonly Accepted in Cross-border M&A Cases May Not Apply in India” was published in the June 2013 issue of The Lawyers.
2009/02/15 BOOK “100 Questions and Answers on the Financial Instruments and Exchange Act, Regarding the Collective Investment Scheme”
2007/07/01 ARTICLE “An Analysis of Appraisal Rights”
ARTICLE Attorneys Masaya Hirano and Nobuyuki Watanabe’s article was published in the May 1, 2007 edition of Junkan Keirijouhou.
ARTICLE Attorney Masaya Hirano’s article “UK New Companies Act Study Series, #9: Case Study: TOB in the UK by Japanese Companies (International Business Law English Lawyers Club)” was published in the December 2006 edition of Kokusai Shouji Houmu.
2000/02/01 ARTICLE “M&A and Personnel Issues – Labor Contract Succession in Corporate Restructuring”

Seminars & Lectures