How many movies have Katsumi Ikeda and Kouichi Hashimoto collaborated on?

They have worked on 3 movies together! Their first movie together was Bronze: Zetsuai Since 1989 (1996) while their highest rated movie together was Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005). They have not worked together since Fullmetal Alchemist the Movie: Conqueror of Shamballa (2005). They are most known for their animation films together.