Koichi Oyama

Ben Morris is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity, Private Funds and Venture Capital Law. Ben, 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 Ben is held by other top lawyers in the same geographic and legal practice area.

Yuhki Asano is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Yuhki, 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 Yuhki is held by other top lawyers in the same geographic and legal practice area.

Simon P. Barrett is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Construction Law, Energy Law and Project Finance and Development Practice. Simon P., 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 Simon P. is held by other top lawyers in the same geographic and legal practice area.

Masato Kobayashi is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Masato, 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 Masato is held by other top lawyers in the same geographic and legal practice area.

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.

Reiko Yoshida is a top attorney recognized by Best Lawyers in the practice area(s) of Asset Finance Law, Banking and Finance Law and Structured Finance Law. Reiko, 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 Reiko is held by other top lawyers in the same geographic and legal practice area.

Chie Shinsha is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. Chie, who practices law in Tokyo, Japan, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chie is held by other top lawyers in the same geographic and legal practice area.

Partner at Chuo Sogo Law Office; on loan to the Insurance Business Division of the Supervisory Bureau of Financial Services Agency (FSA) in Japan as a fixed-term governmental official (2005-07); member of the "Working Group on the Provision of Insurance Products and Services” of the Financial System Council, FSA (2012-13); member of the “Safety Nets of Housing Warranty Insurance System” study group of the Ministry of Land, Infrastructure, Transport and Tourism (June 2017 - M...

Takashi Tezuka is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Accounting Law and Tax Law. Takashi, 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 Takashi is held by other top lawyers in the same geographic and legal practice area.

Chie Yakura is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law and Litigation. Chie, 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 Chie is held by other top lawyers in the same geographic and legal practice area.