Awards
Kyohei Mizukoshi is a partner at Nagashima Ohno & Tsunematsu. He provides legal services for financial transactions, including domestic and cross-border offerings of shares, corporate bonds and other securities, including IPOs, and advises on financial regulations, including disclosure regulations. He also specializes in corporate governance and listing rules and regulations, drawing on his experience working in the Listing Department of Tokyo Stock Exchange, Inc. He has advised on Japan’s first tax-qualified 100% spin-off listing and tax-qualified partial spin-off listing, and more recently has focused on supporting the listings in Japan of emerging Asian startup companies. In addition, he has extensive experience in capital raising by listed companies through private restructuring proceedings such as business revitalization ADR.
Practice Areas
Education/Professional Experience
- 2007
- The University of Tokyo (LL.B.)
- 2009
- The University of Tokyo School of Law (J.D.)
- 2010 -
- Nagashima Ohno & Tsunematsu
- 2016
- University of Washington School of Law (LL.M.)
- 2016 - 2018
- Listing Department, Tokyo Stock Exchange, Inc.
- 2022 - present
- Partner, Nagashima Ohno & Tsunematsu
- 2025 - present
- Adjunct Lecturer (Civil Law), The University of Tokyo
Awards
Seminars
-
January 21, 2026 (Wed) 14:00 - 16:00Discussion with Officials from the Ministry of Economy, Trade and Industry and Sony Group Corporation: A Comprehensive Guide to the Latest Developments in the Practice of Tax-Qualified Partial Spin-Offs
- Kenji Horiuchi
- Kyohei Mizukoshi
- Hiroyuki Sameshima (Ministry of Economy, Trade and Industry)
Nagashima Ohno & Tsunematsu Tokyo Office
- Corporate
- Corporate Governance
- General Corporate
-
December 6, 2024 (Fri) 15:00 - 16:00New English Disclosure Rule for Tokyo Stock Exchange Prime Market
- Kyohei Mizukoshi
Online (Live & On-Demand)
- Corporate
- Corporate Governance
- General Corporate
-
February 9, 2024 (Fri) 15:00 - 16:30Management Issues and Practical Considerations related to Listed Subsidiaries
- Kosuke Hamaguchi
- Kyohei Mizukoshi
- Katsunori Shirozu
Online (Live & On-Demand)
- Corporate
- Corporate Governance
- General Corporate
-
February 2, 2024 (Fri) 14:00 - 15:00Amendments to the Cabinet Office Order on Expanded Disclosure Requirements for Financial Covenants in Loan Agreements and their Practical Impact
- Takashi Tsukioka
- Yosuke Kanegae
- Kyohei Mizukoshi
Online (Live & On-Demand)
- Corporate
- General Corporate
- Finance
Publications
-
Articles
Lexology Panoramic – Equity Capital Markets 2026 Japan
(June 2026)
Motoki Saito, Kyohei Mizukoshi (Co-author)
- Finance
- Capital Markets
-
Articles
In-Depth: Initial Public Offerings – Edition 9 Japan
(October 2025)
Kyohei Mizukoshi, Yuichi Miyashita (Co-author)
- Finance
- Capital Markets
-
Newsletters
EU Listing Act: Enhancing Capital Markets in the European Union
Kyohei Mizukoshi, Natsumi Tada, Sofía Terol Cháfer (Uría Menéndez) (Co-author)
- Corporate
- Corporate Governance
- Finance
- Capital Markets
-
Articles
In-Depth: Initial Public Offerings – Edition 8 Japan
(September 2024)
Kyohei Mizukoshi, Yuichi Miyashita (Co-author)
- Finance
- Capital Markets