How many movies have Kōichi Mizuhara and Yoshinobu Nishioka collaborated on?

They have worked on 20 movies together! Their first movie together was The Young Swordsman (1954) while their highest rated movie together was Bamboo Doll of Echizen (1963). They have not worked together since The Bride from Hades (1968). They are most known for their drama films together.