Kei Okubo

Madoka Hashimoto is a top attorney recognized by Best Lawyers in the practice area(s) of Investment and Investment Funds. Madoka, 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 Madoka is held by other top lawyers in the same geographic and legal practice area.

Masamichi Sakamoto is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Masamichi, 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 Masamichi is held by other top lawyers in the same geographic and legal practice area.

Shinichiro Shimizu is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense and Tax Law. Shinichiro, 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 Shinichiro is held by other top lawyers in the same geographic and legal practice area.

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...

Takahiro Nonaka focuses his practice on government and internal investigations, including anti-corruption, antitrust, and various employees misconduct and data privacy issues. He also works on both cross-border dispute resolution and domestic general commercial litigation. Taka has represented multinational companies negotiating with government officials and other associated investigative agencies as well as mass media, conducting internal investigations and training, researching relevant reg...

Ken Kiyota is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law. Ken, 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 Ken is held by other top lawyers in the same geographic and legal practice area.

Partner at Chuo Sogo Law Office; secondment at Supervisory Coordination Division, Supervisory Bureau, Financial Services Agency, Japan as a fixed-term government official (Jan. 2014 to Dec. 2015); registered as Foreign Lawyer in Singapore (Nov. 2012 to Oct. 2013); foreign Lawyer at Rodyk & Davidson LLP, Singapore (Nov. 2012 to Oct. 2013); visiting attorney at Barack Ferrazano Kirschbaum & Nagelberg LLP, Chicago/USA (Aug. 2012 to Sep. 2012).

Katsuya Hongyo is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Governance and Compliance Practice. His practice area focuses on financial regulatory matters (including issues relating to the Banking Act, the Insurance Business Act, the Financial Instruments and Exchange Act, the Payment Services Act, the Money-lending Control Act, the Investment Act and the Asset Securitization Act), structured finance, litigations arising from the sales of financial instrume...

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

Max Olson is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense, Intellectual Property Law, International Arbitration and Litigation. Max, 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 Max is held by other top lawyers in the same geographic and legal practice area.