How many movies have Shinji Higuchi and Shoichi Masuo collaborated on?

They have worked on 13 movies together! Their first movie together was Royal Space Force - The Wings Of Honneamise (1987) while their highest rated movie together was Neon Genesis Evangelion: The End of Evangelion (1997). They have not worked together since Evangelion: 3.0 You Can (Not) Redo (2012). They are most known for their animation films together.