How many movies have Chumei Watanabe and Mikio Namino collaborated on?

They have worked on 3 movies together! Their first movie together was Super Giant: The Mysterious Spacemen's Demonic Castle (1957) while their highest rated movie together was Yellow Line (1960). They have not worked together since 怒号する巨弾 (1960). They are most known for their action films together.