How many movies have Nobuaki Nakajima and Yoshio Nakajima collaborated on?

They have worked on 5 movies together! Their first movie together was Oh Wonderful Utamaro! (1974) while their highest rated movie together was A 5,000 Kilometer Run under The Scorching Sun (1979). They have not worked together since A 5,000 Kilometer Run under The Scorching Sun (1979).