How many movies have Tomomi Satô and Toshio Taniguchi collaborated on?

They have worked on 3 movies together! Their first movie together was A Killer's Key (1967) while their highest rated movie together was Lone Wolf and Cub: Baby Cart in the Land of Demons (1973). They have not worked together since Lone Wolf and Cub: Baby Cart in the Land of Demons (1973). They are most known for their thriller films together.