How many movies have Fumiaki Kouta and Hironori Tanaka collaborated on?

They have worked on 5 movies together! Their first movie together was Yes! Precure 5 Go Go! Movie: Happy Birthday in the Land of Sweets (2008) while their highest rated movie together was Gurren Lagann the Movie: The Lights in the Sky Are Stars (2009). They have not worked together since Fullmetal Alchemist the Movie: The Sacred Star of Milos (2011). They are most known for their animation films together.