How many movies have Eiji Yoshikawa and Rentaro Mikuni collaborated on?

They have worked on 6 movies together! Their first movie together was Samurai I: Musashi Miyamoto (1954) while their highest rated movie together was Miyamoto Musashi: Showdown at Hannyazaka Heights (1962). They have not worked together since Miyamoto Musashi VI: Swords of Death (1971). They are most known for their drama films together.