How many movies have Shinichi Sekizawa and Teruyoshi Nakano collaborated on?

They have worked on 8 movies together! Their first movie together was Invasion of Astro-Monster (1965) while their highest rated movie together was Godzilla vs. Mechagodzilla (1974). They have not worked together since Godzilla vs. Mechagodzilla (1974). They are most known for their science fiction films together.