Yumiko Sakai
About Yumiko Sakai
Yumiko Sakai is a lawyer based in Tokyo, JP and has been recognized in Best Lawyers: Ones to Watch in Japan™ since 2026. Yumiko Sakai is recognized in the following practice area:
- Tokyo, Japan
- Litigation
Current Firm: Mori Hamada
Location: Tokyo, JP
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Randy Laxer is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Mergers and Acquisitions Law and Private Equity, Private Funds and Venture Capital Law. Randy practices law in Tokyo, Japan Best Lawyers has recognized Randy Laxer since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Randy Laxer is held by other lawyers.
Ayako Kawano is a lawyer recognized by Best Lawyers in the practice areas of Hospitality and Tourism Law, Insolvency and Reorganization Law and Real Estate Law. Ayako practices law in Tokyo, Japan Best Lawyers has recognized Ayako Kawano since 2012. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ayako Kawano is held by other lawyers.
Tatsuo Yamashima is a lawyer recognized by Best Lawyers in the practice areas of Antitrust / Competition Law and Corporate Governance and Compliance Practice. Tatsuo practices law in Tokyo, Japan Best Lawyers has recognized Tatsuo Yamashima since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tatsuo Yamashima is held by other lawyers.
Hiroyuki Tanaka is a Partner of Mori Hamada & Matsumoto, practicing data, IP, IT, and AI law. He is the Adjunct project professor at Keio University Graduate School of Law and Member of the Cyber-Physical Sustainability Center of Keio University Global Research Institute He has extensive experience advising foreign clients on Japanese data protection law. He is also familiar with global data protection regulations, including GDPR and CCPA / CPRA and helps Japanese clients with global data...
Takaya Konishi is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Takaya practices law in Tokyo, Japan Best Lawyers has recognized Takaya Konishi since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Takaya Konishi is held by other lawyers.
Go Fujimoto is a lawyer recognized by Best Lawyers in the practice areas of Corporate Governance and Compliance Practice and International Business Transactions. Go practices law in Tokyo, Japan Best Lawyers has recognized Go Fujimoto since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Go Fujimoto is held by other lawyers.
Yoshiko Koizumi is a lawyer recognized by Best Lawyers in the practice areas of Antitrust / Competition Law, Corporate and Mergers and Acquisitions Law and Corporate Governance and Compliance Practice. Yoshiko practices law in Tokyo, Japan Best Lawyers has recognized Yoshiko Koizumi since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Yoshiko Koizumi...
Hiromasa Ogawa is a lawyer recognized by Best Lawyers in the practice area of Corporate and Mergers and Acquisitions Law. Hiromasa practices law in Tokyo, Japan Best Lawyers has recognized Hiromasa Ogawa since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hiromasa Ogawa is held by other lawyers.
Hayato Kimura is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Hayato practices law in Tokyo, Japan Best Lawyers has recognized Hayato Kimura since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Hayato Kimura is held by other lawyers.
Mitsuru Misawa is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Mitsuru practices law in Minato-ku, Japan Best Lawyers has recognized Mitsuru Misawa since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mitsuru Misawa is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
What Is a Quitclaim Deed? Uses, Risks and When to Get Help
by Bryan Driscoll
A quitclaim deed can be one of the fastest ways to transfer property but knowing when it's the right tool and when it isn't, can save you from serious legal and financial headaches down the road.