How many movies have Raizō Ichikawa and Shigenori Shimoishizaka collaborated on?

They have worked on 5 movies together! Their first movie together was Sword Devil (1965) while their highest rated movie together was Sleepy Eyes of Death 11: In the Spider's Lair (1968). They have not worked together since Sleepy Eyes of Death 12: Castle Menagerie (1969). They are most known for their action films together.