How many movies have Tetsuo Katayama and Yoshihisa Tsurubuchi collaborated on?

They have worked on 6 movies together! Their first movie together was There Goes Our Hero (1979) while their highest rated movie together was Lupin the Third: The Castle of Cagliostro (1979). They have not worked together since Space Adventure Cobra: The Movie (1982). They are most known for their animation films together.