How many movies have Shintarō Katsu and Toshio Taniguchi collaborated on?

They have worked on 25 movies together! Their first movie together was 駿河遊侠伝　度胸がらす (1965) while their highest rated movie together was The Homeless (1974). They have not worked together since Ronin-gai (1990). They are most known for their action films together.