How many movies have Eizō Yamagiwa and Saburo Shinoda collaborated on?

They have worked on 1 movie together! Their first movie together was ウルトラマンタロウ ウルトラの母は太陽のように (1973) and was their highest rated movie together. They have not worked together since ウルトラマンタロウ ウルトラの母は太陽のように (1973).