How many movies have Kappei Yamaguchi and Yoshihiro Takeda collaborated on?

They have worked on 3 movies together! Their first movie together was One Piece: Baron Omatsuri and the Secret Island (2005) while their highest rated movie together was One Piece Film: Z (2012). They have not worked together since One Piece Film: Z (2012). They are most known for their action films together.