How many movies have Eiko Saito and Yuji Ueda collaborated on?

They have worked on 4 movies together! Their first movie together was Pokémon: The First Movie (1998) while their highest rated movie together was Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005). They have not worked together since Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010). They are most known for their animation films together.