How many movies have Hideaki Kurakawa and Takehito Koyasu collaborated on?

They have worked on 2 movies together! Their first movie together was Rurouni Kenshin: Requiem for the Ishin Patriots (1997) while their highest rated movie together was Armored Trooper VOTOMS: Pailsen Files The Movie (2009). They have not worked together since Armored Trooper VOTOMS: Pailsen Files The Movie (2009).