How many movies have Katsurō Sakai and Katsuzo Ando collaborated on?

They have worked on 3 movies together! Their first movie together was Ichiyazuma no Negoto (1972) while their highest rated movie together was Jokosei hana hiraku 17-sai (1972). They have not worked together since Jokosei hana hiraku 17-sai (1972).