How many movies have Hideyuki Tanaka and Kenichi Maejima collaborated on?

They have worked on 3 movies together! Their first movie together was GoShogun: The Time Étranger (1985) while their highest rated movie together was Legend of the Galactic Heroes: Overture to a New War (1993). They have not worked together since Why We Live (2016). They are most known for their animation films together.