How many movies have Kappei Yamaguchi and Shinzo Yuki collaborated on?

They have worked on 3 movies together! Their first movie together was Dragon Knight: Wheel of Time (1998) while their highest rated movie together was One Piece: The Movie (2000). They have not worked together since Futari wa Precure Splash☆Star Tic-Tac Crisis Hanging by a Thin Thread! (2006). They are most known for their fantasy films together.