How many movies have Hideo Murota and Kôzaburô Kitaguchi collaborated on?

They have worked on 7 movies together! Their first movie together was The Viper Brothers and the Young General (1975) while their highest rated movie together was Shogun's Samurai (1978). They have not worked together since Shogun's Samurai (1978). They are most known for their crime films together.