Mitsuya Kosaka
About Mitsuya Kosaka
Mitsuya Kosaka is a lawyer based in Tokyo, JP and has been recognized in Best Lawyers: Ones to Watch in Japan™ since 2024. Mitsuya Kosaka is recognized in the following practice area:
- Tokyo, Japan
- Information Technology Law
Current Firm: Ushijima & Partners
Location: Tokyo, JP
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Mika Wakuta is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Mika, 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 Mika is held by other top lawyers in the same geographic and legal practice area.
Ryuichi Nozaki is a top attorney recognized by Best Lawyers in the practice area(s) of Structured Finance Law. Ryuichi, 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 Ryuichi is held by other top lawyers in the same geographic and legal practice area.
Olivia Matsushita is a top attorney recognized by Best Lawyers in the practice area(s) of Asset Finance Law. Olivia, 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 Olivia is held by other top lawyers in the same geographic and legal practice area.
Kazuya Sato is a top attorney recognized by Best Lawyers in the practice area(s) of Structured Finance Law. Kazuya, 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 Kazuya is held by other top lawyers in the same geographic and legal practice area.
Hayato Kimura is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Hayato, who practices law in Tokyo, Japan, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hayato is held by other top lawyers in the same geographic and legal practice area.
Mitsuru Misawa is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Mitsuru, who practices law in Minato-ku, Japan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mitsuru is held by other top lawyers in the same geographic and legal practice area.
Keita Imaizumi is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Governance and Compliance Practice and Investment and Investment Funds. Keita, who practices law in Tokyo, Japan, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keita is held by other top lawyers in the same geographic and legal practice area.
Yuko Ino is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Yuko, who practices law in Tokyo, Japan, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yuko is held by other top lawyers in the same geographic and legal practice area.
Stephen DeCosse is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Mergers and Acquisitions Law. Stephen, 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 Stephen is held by other top lawyers in the same geographic and legal practice area.
Louise C. Stoupe is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense, Intellectual Property Law, International Arbitration and Litigation. Louise C., 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 Louise C. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
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.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
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.
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.
When Is It Too Late to Stop Foreclosure?
by Bryan Driscoll
Understanding the foreclosure timeline, critical deadlines and the legal options that may still protect your home.
Can You Go to Jail at an Arraignment?
by Bryan Driscoll
Understanding What Happens at Your First Court Appearance.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.
How to Choose a Personal Injury Lawyer
by Bryan Driscoll
Finding the right legal representation after an injury is a critical decision that requires careful evaluation.