How many movies have Seiji Muta and Yutaka Kawasuji collaborated on?

They have worked on 4 movies together! Their first movie together was Lupin the Third: Dead or Alive (1996) while their highest rated movie together was Detective Conan: The Time Bombed Skyscraper (1997). They have not worked together since Detective Conan: Crossroad in the Ancient Capital (2003). They are most known for their animation films together.