How many movies have Sadatoshi Matsuzaka and Shinobu Ookouchi collaborated on?

They have worked on 3 movies together! Their first movie together was Clannad: The Motion Picture (2007) while their highest rated movie together was Inazuma Eleven GO The Movie: The Ultimate Bonds Gryphon (2011). They have not worked together since Pokémon the Movie: Kyurem vs. the Sword of Justice (2012). They are most known for their animation films together.