How many movies have Hidetoshi Kageyama and Kōichirō Uno collaborated on?

They have worked on 8 movies together! Their first movie together was Late Bloom: Campus Erotica (1976) while their highest rated movie together was Uno Koichiro no agechaitaino (1978). They have not worked together since Uno Kôichirô no uwaki nikki (1980).