Hidetoshi Masunaga
About Hidetoshi Masunaga
Hidetoshi Masunaga is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan™ since 2009. Hidetoshi Masunaga is recognized in the following practice areas:
- Tokyo, Japan
- Intellectual Property Law
- Litigation
- Patent Law
- Tax Law
Current Firm: TMI Associates
Location: Tokyo, JP
Nearby Lawyers
Keisuke Ide is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Keisuke, who practices law in Tokyo, Japan, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keisuke 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.
Yuka Teraguchi is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Yuka, 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 Yuka is held by other top lawyers in the same geographic and legal practice area.
Russell K. Kawahara is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Russell K., 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 Russell K. is held by other top lawyers in the same geographic and legal practice area.
Osamu Fujiwara is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Osamu, 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 Osamu is held by other top lawyers in the same geographic and legal practice area.
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 ...
Tatsuo Yamashima is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust / Competition Law and Corporate Governance and Compliance Practice. Tatsuo, 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 Tatsuo is held by other top lawyers in the same geographic and legal practice area.
Randy Laxer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law and Private Equity, Private Funds and Venture Capital Law. Randy, 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 Randy is held by other top lawyers in the same geographic and legal practice area.
Hiroo Atsumi is a top attorney recognized by Best Lawyers in the practice area(s) of Asset Finance Law, Banking and Finance Law, Capital Markets Law, Project Finance and Development Practice, Real Estate Law and Structured Finance Law. Hiroo, 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 Hiroo is held by other top lawyers in the same geographic and legal practice area.
Ayako Kawano is a top attorney recognized by Best Lawyers in the practice area(s) of Hospitality and Tourism Law, Insolvency and Reorganization Law and Real Estate Law. Ayako, who practices law in Tokyo, Japan, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ayako 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.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
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.
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