Masao Yoshida

Tokyo, JP

Recognized in Best Lawyers since 2009

About Masao Yoshida

Masao Yoshida is a lawyer based in Tokyo, JP and has been recognized in The Best Lawyers in Japan^™ since 2009. Masao Yoshida is recognized in the following practice areas:

Tokyo, Japan
- Intellectual Property Law
- Media and Entertainment Law
- Telecommunications Law

Current Firm: Squire Patton Boggs

Location: Tokyo, JP

Nearby Lawyers

Junko Ogushi

Kaname Partners

Tokyo, JP

Practice Areas

Banking and Finance Law

Insurance Law

Real Estate Law

Recognized since 2018 by

Junko Ogushi

Junko Ogushi is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Insurance Law and Real Estate Law. Junko practices law in Tokyo, Japan Best Lawyers has recognized Junko Ogushi 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 Junko Ogushi is held by other lawyers.

Junko Ogushi

View Profile 03.6450.1049

Kazutomo Ueyama

Atsumi & Sakai

Tokyo, JP

Practice Areas

Litigation

Recognized since 2021 by

Kazutomo Ueyama

Kazutomo Ueyama is a lawyer recognized by Best Lawyers in the practice area of Litigation. Kazutomo practices law in Tokyo, Japan Best Lawyers has recognized Kazutomo Ueyama 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 Kazutomo Ueyama is held by other lawyers.

Kazutomo Ueyama

View Profile 03.5501.2111

Minako Otsuka

Atsumi & Sakai

Tokyo, JP

Practice Areas

Corporate Governance and Compliance Practice

Recognized since 2021 by

Minako Otsuka

Minako Otsuka is a lawyer recognized by Best Lawyers in the practice area of Corporate Governance and Compliance Practice. Minako practices law in Tokyo, Japan Best Lawyers has recognized Minako Otsuka 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 Minako Otsuka is held by other lawyers.

Minako Otsuka

View Profile 03.5501.2111

Keiko Yamazaki

Morrison Foerster

Tokyo, JP

Practice Areas

Banking and Finance Law

Corporate and Mergers and Acquisitions Law

Real Estate Law

Recognized since 2020 by

Keiko Yamazaki

Keiko Yamazaki is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Corporate and Mergers and Acquisitions Law and Real Estate Law. Keiko practices law in Tokyo, Japan Best Lawyers has recognized Keiko Yamazaki 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 Keiko Yamazaki is held by other lawyers.

Keiko Yamazaki

View Profile 03.3214.6522

Eiichiro Hata

Atsumi & Sakai

Tokyo, JP

Practice Areas

Banking and Finance Law

Investment and Investment Funds

Private Equity, Private Funds and Venture Capital Law

Recognized since 2020 by

Eiichiro Hata

Eiichiro Hata is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law, Investment and Investment Funds, Private Equity, Private Funds and Venture Capital Law and Real Estate Law. Eiichiro practices law in Tokyo, Japan Best Lawyers has recognized Eiichiro Hata 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 Eiichir...

Eiichiro Hata

View Profile 03.5501.2111

Max Olson

Morrison Foerster

Tokyo, JP

Practice Areas

Criminal Defense

Intellectual Property Law

International Arbitration

Specific Focus

Gaikokuho Jimu Bengoshi

Recognized since 2010 by

Max Olson

Max Olson is a lawyer recognized by Best Lawyers in the practice areas of Criminal Defense, Intellectual Property Law, International Arbitration and Litigation. Max practices law in Tokyo, Japan Best Lawyers has recognized Max Olson since 2010. 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 Max Olson is held by other lawyers.

Max Olson

View Profile 03.3214.6522

Akio Kawamura

Atsumi & Sakai

Tokyo, JP

Practice Areas

Asset Finance Law

Investment and Investment Funds

Recognized since 2021 by

Akio Kawamura

Akio Kawamura is a lawyer recognized by Best Lawyers in the practice areas of Asset Finance Law and Investment and Investment Funds. Akio practices law in Tokyo, Japan Best Lawyers has recognized Akio Kawamura 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 Akio Kawamura is held by other lawyers.

Akio Kawamura

View Profile 03.5501.2111

Yoshiko Koizumi

City-Yuwa Partners

Tokyo, JP

Practice Areas

Antitrust / Competition Law

Corporate and Mergers and Acquisitions Law

Corporate Governance and Compliance Practice

Specific Focus

Cross Border

Recognized since 2018 by

Yoshiko Koizumi

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...

Yoshiko Koizumi

View Profile 03.6212.5500

Junya Ae

Atsumi & Sakai

Tokyo, JP

Practice Areas

Antitrust / Competition Law

Recognized since 2021 by

Junya Ae

Junya Ae is a lawyer recognized by Best Lawyers in the practice area of Antitrust / Competition Law. Junya practices law in Tokyo, Japan Best Lawyers has recognized Junya Ae 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 Junya Ae is held by other lawyers.

Junya Ae

View Profile 03.5501.2111

Kenichi Tanizaki

Atsumi & Sakai

Tokyo, JP

Practice Areas

Corporate Governance and Compliance Practice

Recognized since 2021 by

Kenichi Tanizaki

Kenichi Tanizaki is a lawyer recognized by Best Lawyers in the practice area of Corporate Governance and Compliance Practice. Kenichi practices law in Tokyo, Japan Best Lawyers has recognized Kenichi Tanizaki 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 Kenichi Tanizaki is held by other lawyers.

Kenichi Tanizaki

View Profile 03.5501.2111

Find More Lawyers Practicing: Intellectual Property Law, Media and Entertainment Law, Telecommunications Law

Explore Locally: Kanagawa, Minato-ku, Yokohama

Explore and Learn

View All Insights

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.

3D model of Canada textured with the Canadian flag.

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.

Illustrated maps of Australia, Japan and Singapore displayed with their national flags, representing

2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession

by Jamilla Tabbara

Recognizing the outstanding attorneys leading top practice areas nationwide.

United States with American flag representing The Best Lawyers in America 2027 awards

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.

Graphic displaying three-dimensional map cutouts of Austria, Germany and Switzerland.

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.

Split-screen image of Blake Lively and Justin Baldoni

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.

3D Map of France with National Flag Graphic

Rules on Gifting Money to Family: What to Know

by Bryan Driscoll

Generosity often runs ahead of paperwork. Here's how to give to loved ones without surprising the IRS, your estate plan or your relationships.

An open gift box filled with US $100 bills next to a lid tied with a red bow.

New England's Climate Litigation Surge

by Bryan Driscoll

What law firms need to know

New England's Climate Litigation Surge: What Firms Must Know headline

Who Can Override a Power of Attorney?

by Bryan Driscoll

A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.

Close-up of a power of attorney document, symbolizing legal authority, revocation rights, guardiansh

How to Optimize Your Best Lawyers Profile for AI Search

by Everett Sizemore

Learn how a complete, well-structured Best Lawyers profile can strengthen your visibility and accuracy across AI search platforms.

Welcome to Smithy AI the Best Lawyers Assistant

I can help you find attorneys, compare firms, explore practice areas, and surface rankings curated from the Best Lawyers methodology.

Not legal advice This assistant provides general information only. For guidance on your specific situation, please consult a licensed attorney.

Learn about Best Lawyers Research Process