How many movies have Kenichi Matsuzaki and Rumiko Ukai collaborated on?

They have worked on 4 movies together! Their first movie together was Mobile Suit Gundam I (1981) while their highest rated movie together was Space Runaway Ideon: Be Invoked (1982). They have not worked together since Space Runaway Ideon: Be Invoked (1982). They are most known for their animation films together.