Kozo is a partner at Nishimura & Asahi, located at the Tokyo office. Kozo advises clients on every area of the practice, such as violation cases, merger regulations, and compliance to prevent violations of Japanese and foreign competition laws. Kozo continues to be recognized by international law journals as one of the top practitioners in Japan in the area of competition law and is now serving as the President of the Japan Competition Law Forum, which is comprised of leading competition lawyers in Japan.
Publications
Co-author of the Japan - Market Insights chapter in the Merger Control Law Guide , published 13 July 2026 , alongside Madoka Shimada .