How many movies have Ken Mizoguchi and Koichi Sakata collaborated on?

They have worked on 6 movies together! Their first movie together was Outlaw: Goro the Assassin (1968) while their highest rated movie together was New Apartment Wife: Prostitution in Building #13 (1975). They have not worked together since Zecchô no onna (1976). They are most known for their crime films together.