Hiroya Yamazaki
Recognized in Best Lawyers since 2009 About Hiroya Yamazaki
Hiroya Yamazaki is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan™ since 2009. Hiroya Yamazaki is recognized in the following practice areas:
- Tokyo, Japan
- Corporate and Mergers and Acquisitions Law
- International Business Transactions
Current Firm: EY Law Co.
Location: Tokyo, JP
Nearby Lawyers
Koichiro Ohashi is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Capital Markets Law, Insolvency and Reorganization Law, Investment and Investment Funds and Private Equity, Private Funds and Venture Capital Law. Koichiro, who practices law in Tokyo, Japan, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Koichiro is held by other top lawyers in the same geographic ...
Madoka Hashimoto is a top attorney recognized by Best Lawyers in the practice area(s) of Investment and Investment Funds. Madoka, who practices law in Tokyo, Japan, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Madoka is held by other top lawyers in the same geographic and legal practice area.
Jun Oishi is a top attorney recognized by Best Lawyers in the practice area(s) of Project Finance and Development Practice and Real Estate Law. Jun, who practices law in Tokyo, Japan, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jun is held by other top lawyers in the same geographic and legal practice area.
Chihiro Saito is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Chihiro, who practices law in Tokyo, Japan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chihiro is held by other top lawyers in the same geographic and legal practice area.
Eiichiro Hata is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Investment and Investment Funds, Private Equity, Private Funds and Venture Capital Law and Real Estate Law. Eiichiro, who practices law in Tokyo, Japan, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eiichiro is held by other top lawyers in the same geographic and legal practice area.
Yukihiro Terazawa is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and International Business Transactions. Yukihiro, who practices law in Tokyo, Japan, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yukihiro is held by other top lawyers in the same geographic and legal practice area.
Partner at Chuo Sogo Law Office; secondment at Supervisory Coordination Division, Supervisory Bureau, Financial Services Agency, Japan as a fixed-term government official (Jan. 2014 to Dec. 2015); registered as Foreign Lawyer in Singapore (Nov. 2012 to Oct. 2013); foreign Lawyer at Rodyk & Davidson LLP, Singapore (Nov. 2012 to Oct. 2013); visiting attorney at Barack Ferrazano Kirschbaum & Nagelberg LLP, Chicago/USA (Aug. 2012 to Sep. 2012).
Koji Matsuda is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Reorganization Law and Intellectual Property Law. Koji, who practices law in Tokyo, Japan, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Koji is held by other top lawyers in the same geographic and legal practice area.
Hideo Ozaki is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Technology Law. Hideo, who practices law in Tokyo, Japan, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hideo is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
