In 1932, a dispute with Nikkatsu Uzumasa Studios caused Tasaka, Tomu UCHIDA, Daisuke ITO (a director), Minoru MURATA and others to form 'the Nananin-gumi' (lit. "Group of Seven"); becoming independent from Nikkatsu and establishing a new film company but this was dissolved.
1932年、日活太秦撮影所の争議で内田吐夢、伊藤大輔(映画監督)、村田実らと「七人組」を結成し日活から独立、新映画社を興すが解散。