He also collaborated with Katsu Production, lead by Shintaro KATSU, and filmed the pieces representing his later phase, such as "Shin heitai yakuza: Kasen" (The hoodlum soldier (new version): fuse).
また、勝新太郎の勝プロと組んで『新兵隊やくざ火線』といった後期代表作を手がける。