How many movies have Hidenori Taga and Rumiko Takahashi collaborated on?

They have worked on 8 movies together! Their first movie together was Urusei Yatsura: Only You (1983) while their highest rated movie together was Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991). They have not worked together since Ranma ½: The Movie — The Battle of Nekonron: The Fight to Break the Rules! (1991). They are most known for their comedy films together.