How many movies have Eizaburô Sakauchi and Takashi Matsuyama collaborated on?

They have worked on 4 movies together! Their first movie together was The Battle of Kawanakajima (1941) while their highest rated movie together was Vendetta of a Samurai (1952). They have not worked together since Vendetta of a Samurai (1952). They are most known for their drama films together.