How many movies have Rumi Sakakibara and Yoshiharu Tomita collaborated on?

They have worked on 2 movies together! Their first movie together was Return of Ultraman (1971) while their highest rated movie together was Return of Ultraman: Terror of the Waterspout Monsters (1971). They have not worked together since Return of Ultraman: Terror of the Waterspout Monsters (1971).