How many movies have Hideo Murota and Hiro Matsuda collaborated on?

They have worked on 12 movies together! Their first movie together was Blackmail Is My Life (1968) while their highest rated movie together was Female Prisoner Scorpion: Jailhouse 41 (1972). They have not worked together since Shogun's Samurai (1978). They are most known for their action films together.