How many movies have Nobuhiro Masuda and Yuuji Ikeda collaborated on?

They have worked on 4 movies together! Their first movie together was Galaxy Express 999: Eternal Fantasy (1998) while their highest rated movie together was Digimon Tamers: Battle of Adventurers (2001). 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 animation films together.