How many movies have Kozo Horiike and Osamu Furuya collaborated on?

They have worked on 13 movies together! Their first movie together was The Spear of Heroism (1961) while their highest rated movie together was The Tale of Oiwa's Ghost (1961). They have not worked together since The Karate Man and the Spy (1974). They are most known for their drama films together.