How many movies have Kōji Fujiyama and Osamu Tanaka collaborated on?

They have worked on 14 movies together! Their first movie together was Brutal Tales of Chivalry 5: Man With The Karajishi Tattoo (1969) while their highest rated movie together was The Armed Organization (1971). They have not worked together since Wolf Guy (1975). They are most known for their crime films together.