How many movies have Hirokata Takahashi and Yoshihisa Tsurubuchi collaborated on?

They have worked on 10 movies together! Their first movie together was There Goes Our Hero (1979) while their highest rated movie together was Tomorrow's Joe 2 The Movie (1981). They have not worked together since Lupin the Third: Bye Bye, Lady Liberty (1989). They are most known for their animation films together.