How many movies have Katsuyoshi Baba and Toshio Taniguchi collaborated on?

They have worked on 4 movies together! Their first movie together was Sleepy Eyes Of Death 14: Fylfot Swordplay (1969) while their highest rated movie together was Lone Wolf and Cub: Baby Cart in Peril (1972). They have not worked together since Lone Wolf and Cub: Baby Cart in Peril (1972). They are most known for their action films together.