How many movies have Chishū Ryū and Hideo Ōba collaborated on?

They have worked on 7 movies together! Their first movie together was Utsukushiki Rinjin (1940) while their highest rated movie together was Always in My Heart Part 3 (1954). They have not worked together since Always in My Heart Part 3 (1954). They are most known for their drama films together.