How many movies have Kohei Tanaka and Shizuo Kawai collaborated on?

They have worked on 3 movies together! Their first movie together was One Piece: Giant Mecha Soldier of Karakuri Castle (2006) while their highest rated movie together was One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom (2008). They have not worked together since One Piece: Episode of Chopper Plus: Bloom in the Winter, Miracle Cherry Blossom (2008). They are most known for their comedy films together.