How many movies have Hideto Tanaka and Hiroomi Yamakawa collaborated on?

They have worked on 4 movies together! Their first movie together was Naruto the Movie: Legend of the Stone of Gelel (2005) while their highest rated movie together was Naruto Shippuden the Movie (2007). They have not worked together since Naruto Shippuden the Movie: Bonds (2008). They are most known for their animation films together.