How many movies have Hideo Ishikawa and Masahiro Okubo collaborated on?

They have worked on 3 movies together! Their first movie together was Bleach the Movie: The DiamondDust Rebellion (2007) while their highest rated movie together was Bleach the Movie: Hell Verse (2010). They have not worked together since Bleach the Movie: Hell Verse (2010). They are most known for their animation films together.