How many movies have Mamoru Oshii and Yoshiko Sakakibara collaborated on?

They have worked on 7 movies together! Their first movie together was Urusei Yatsura: Only You (1983) while their highest rated movie together was Ghost in the Shell 2.0 (2008). They have not worked together since The Next Generation Patlabor: Tokyo War (2015). They are most known for their science fiction films together.