How many movies have Kôichi Iwashita and Sadaichi Yanagida collaborated on?

They have worked on 3 movies together! Their first movie together was Enoken's Kondo Isami (1935) while their highest rated movie together was Enoken's Chikiri Kinta Part 1 – Momma, the Hat: The Nice Way (1937). They have not worked together since The Monkey King (1940). They are most known for their comedy films together.