How many movies have Keiichi Ishikura and Yuzo Sato collaborated on?

They have worked on 2 movies together! Their first movie together was Ah! My Goddess: The Movie (2000) while their highest rated movie together was Naruto the Movie: Guardians of the Crescent Moon Kingdom (2006). They have not worked together since Naruto the Movie: Guardians of the Crescent Moon Kingdom (2006).