How many movies have Kazuhiko Kato and Yasuo Yamada collaborated on?

They have worked on 11 movies together! Their first movie together was Lupin the Third: The Mystery of Mamo (1978) while their highest rated movie together was Lupin the Third: The Castle of Cagliostro (1979). They have not worked together since Lupin the Third: Voyage to Danger (2001). They are most known for their animation films together.