How many movies have Nobuo Kaneko and Shôzô Ashida collaborated on?

They have worked on 3 movies together! Their first movie together was Forever, My Love (1958) while their highest rated movie together was Detective Bureau 2-3: Go to Hell, Bastards! (1963). They have not worked together since Detective Bureau 2-3: A Man Weak to Money and Women (1963). They are most known for their action films together.