How many movies have Koichiro Kawano and Takahiko Yoshida collaborated on?

They have worked on 4 movies together! Their first movie together was Gunbuster vs Diebuster: Aim for the Top! The GATTAI!! Movie (2006) while their highest rated movie together was Naruto Shippuden the Movie: The Will of Fire (2009). They have not worked together since Naruto Shippuden the Movie: Blood Prison (2011). They are most known for their action films together.