How many movies have Bokuzen Hidari and Katsuhito Inomata collaborated on?

They have worked on 4 movies together! Their first movie together was 恐妻時代 (1952) while their highest rated movie together was Souls in the Moonlight II (1958). They have not worked together since Souls in the Moonlight III (1959). They are most known for their drama films together.