How many movies have Hajime Takaiwa and Tomoyoshi Murayama collaborated on?

They have worked on 2 movies together! Their first movie together was Ninja, A Band of Assassins (1962) while their highest rated movie together was Shinobi no Mono 2: Vengeance (1963). They have not worked together since Shinobi no Mono 2: Vengeance (1963).