How many movies have Fumio Furuya and Jeffrey W. Sass collaborated on?

They have worked on 2 movies together! Their first movie together was The Toxic Avenger Part II (1989) while their highest rated movie together was Sgt. Kabukiman N.Y.P.D. (1991). They have not worked together since Sgt. Kabukiman N.Y.P.D. (1991).