How many movies have Daisuke Nishio and Joji Yanami collaborated on?

They have worked on 5 movies together! Their first movie together was Dragon Ball: Curse of the Blood Rubies (1986) while their highest rated movie together was Dragon Ball Z: The History of Trunks (1993). They have not worked together since Dragon Ball Z: The History of Trunks (1993). They are most known for their action films together.