How many movies have Akira Kuji and Ichirô Kojima acted in together?

They have worked on 4 movies together! Their first movie together was One Passed Through Hell (1960) while their highest rated movie together was Drifting Detective: Black Wind in Harbor (1961). They have not worked together since Man with a Funky Hat: The 20,000,000 Yen Arm (1961). They are most known for their action films together.