How many movies have Katsuhiko Kobayashi and Tokio Oki acted in together?

They have worked on 16 movies together! Their first movie together was Jirocho Fuji 2: The Chivalrous (1960) while their highest rated movie together was Satan's Sword III: The Final Chapter (1961). They have not worked together since Sleepy Eyes of Death 4: Sword of Seduction (1964).