How many movies have Rinichi Yamamoto and Shichirô Hayashi collaborated on?

They have worked on 7 movies together! Their first movie together was Police Precinct Part 17 (1961) while their highest rated movie together was Contemporary Tales of Chivalry 2 (1966). They have not worked together since New Prison Walls of Abashiri: Snowbound Deserter (1971). They are most known for their crime films together.