How many movies have Saburou Masutani and Takahisa Ichikawa collaborated on?

They have worked on 3 movies together! Their first movie together was Lupin the Third: The Mystery of Mamo (1978) while their highest rated movie together was Doraemon: The Record of Nobita, Spaceblazer (1981). They have not worked together since Doraemon: Nobita and the Haunts of Evil (1982). They are most known for their adventure films together.