How many movies have Hisashi Katsuta and Toshio Taguchi collaborated on?

They have worked on 1 movie together! Their first movie together was Igaku hakase Matsutsukubo Kôhei no iigaku kôza 2: Free sex (1972) and was their highest rated movie together. They have not worked together since Igaku hakase Matsutsukubo Kôhei no iigaku kôza 2: Free sex (1972).