How many movies have Kazuhiko Inoue and Shinichi Suzuki collaborated on?

They have worked on 3 movies together! Their first movie together was Grey: Digital Target (1986) while their highest rated movie together was Rurouni Kenshin: Requiem for the Ishin Patriots (1997). They have not worked together since Tracing the Gray Summer (2001). They are most known for their animation films together.