How many movies have Minesuke Kiyokawa and Sōji Kiyokawa collaborated on?

They have worked on 3 movies together! Their first movie together was The Battle of Kawanakajima (1941) while their highest rated movie together was A Man's Flower Road of Triumph (1941). They have not worked together since Omokage no machi (1942). They are most known for their drama films together.