How many movies have Kōji Fujiyama and Shigeru Yokoyama acted in together?

They have worked on 7 movies together! Their first movie together was Female Prisoner Scorpion: Beast Stable (1973) while their highest rated movie together was Violent Streets (1974). They have not worked together since A Kawachi Rascal's Song (1976). They are most known for their crime films together.