How many movies have Ichirō Saitō and Mitsuhiro Sugiyama collaborated on?

They have worked on 2 movies together! Their first movie together was Teppo Yasu no Shogai (1962) while their highest rated movie together was Sleepy Eyes of Death 2: Sword of Adventure (1964). They have not worked together since Sleepy Eyes of Death 2: Sword of Adventure (1964).