How many movies have Hirotoshi Sano and Koichi Horikawa collaborated on?

They have worked on 4 movies together! Their first movie together was Violence Jack: Hell's Wind (1990) while their highest rated movie together was Mobile Suit Gundam 0083: Afterglow of Zeon (1992). They have not worked together since Escaflowne: The Movie (2000). They are most known for their animation films together.