How many movies have Hideo Kawauchi and Michishiro Yamada collaborated on?

They have worked on 4 movies together! Their first movie together was There Goes Our Hero: The Heat of the Pennant Race (1980) while their highest rated movie together was Eleven Cats (1980). They have not worked together since 21 Emon Welcome to the Space (1981). They are most known for their animation films together.