How many movies have Masamune Shirow and Tetsuya Nishio collaborated on?

They have worked on 8 movies together! Their first movie together was Ghost in the Shell 2: Innocence (2004) while their highest rated movie together was Ghost in the Shell: Stand Alone Complex - The Laughing Man (2005). They have not worked together since Ghost in the Shell: Arise - Border 4: Ghost Stands Alone (2014). They are most known for their science fiction films together.