How many movies have Teiyu Ichiryusai and Yumiko Suda collaborated on?

They have worked on 2 movies together! Their first movie together was Chibi Maruko-chan (1990) while their highest rated movie together was Chibi Maruko-chan: My Favorite Song (1992). They have not worked together since Chibi Maruko-chan: My Favorite Song (1992).