How many movies have Akira Yamauchi and Kenji Hachizaki collaborated on?

They have worked on 2 movies together! Their first movie together was Naruto the Movie: Legend of the Stone of Gelel (2005) while their highest rated movie together was Bleach the Movie: The DiamondDust Rebellion (2007). They have not worked together since Bleach the Movie: The DiamondDust Rebellion (2007).