How many movies have Hiroshi Oikawa and Yoshinobu Inano collaborated on?

They have worked on 4 movies together! Their first movie together was Galaxy Express 999: The Movie (1979) while their highest rated movie together was Macross: Do You Remember Love? (1984). They have not worked together since Royal Space Force - The Wings of Honneamise (1987). They are most known for their science fiction films together.