How many movies have Hiroshi Kato and Koichi Yamadera collaborated on?

They have worked on 5 movies together! Their first movie together was Sakura Wars: The Movie (2001) while their highest rated movie together was Evangelion: 3.0+1.0 Thrice Upon a Time (2021). They have not worked together since Evangelion: 3.0+1.0 Thrice Upon a Time (2021). They are most known for their animation films together.