How many movies have Takehito Koyasu and Tetsuya Watanabe 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 Revival of Evangelion (1998). They have not worked together since Zone of the Enders: Idolo (2001). They are most known for their science fiction films together.