How many movies have Norifumi Suzuki and Seiji Yada collaborated on?

They have worked on 4 movies together! Their first movie together was Showdown of Men 2 (1967) while their highest rated movie together was Code Between Brothers 6 (1967). They have not worked together since Red Peony Gambler: Biographies of a Gambling Room (1969). They are most known for their drama films together.