How many movies have Nobuo Kaneko and Saburō Isayama collaborated on?

They have worked on 3 movies together! Their first movie together was The Barefoot Girl (1957) while their highest rated movie together was The Wind-of-Youth Group Crosses the Mountain Pass (1961). They have not worked together since The Wind-of-Youth Group Crosses the Mountain Pass (1961). They are most known for their drama films together.