How many movies have Mamoru Hosoda and Tatsufumi Itoh collaborated on?

They have worked on 3 movies together! Their first movie together was Sailor Moon S the Movie: Hearts in Ice (1994) while their highest rated movie together was Sailor Moon SuperS: The Movie: Black Dream Hole (1995). They have not worked together since Galaxy Express 999: Eternal Fantasy (1998). They are most known for their animation films together.