How many movies have Nobuyo Oyama and Soichi Bessho collaborated on?

They have worked on 2 movies together! Their first movie together was Doraemon: Nobita's Dinosaur (1980) while their highest rated movie together was Doraemon: Nobita and the Tin Labyrinth (1993). They have not worked together since Doraemon: Nobita and the Tin Labyrinth (1993).