How many movies have Renji Ishibashi and Tsutomu Nakamura collaborated on?

They have worked on 3 movies together! Their first movie together was Lone Wolf and Cub: White Heaven in Hell (1974) while their highest rated movie together was Nemuri Kyôshirô 2: Conspiracy in Edo Castle (1993). They have not worked together since Nemuri Kyôshirô 2: Conspiracy in Edo Castle (1993). They are most known for their action films together.