How many movies have Katsuichi Nakayama and Masahiko Ohkura collaborated on?

They have worked on 4 movies together! Their first movie together was Neon Genesis Evangelion: Death and Rebirth (1997) while their highest rated movie together was Neon Genesis Evangelion: The End of Evangelion (1997). They have not worked together since Digimon: The Movie (2000). They are most known for their animation films together.