How many movies have Jirō Sagawa and Kōichi Yamada acted in together?

They have worked on 12 movies together! Their first movie together was A Kamikaze Cop (1970) while their highest rated movie together was Female Prisoner Scorpion: Jailhouse 41 (1972). They have not worked together since Battle Anthem (1983). They are most known for their crime films together.