How many movies have Koichi Yamadera and Riko Shinohara collaborated on?

They have worked on 2 movies together! Their first movie together was Ghost in the Shell: Stand Alone Complex - Solid State Society (2006) while their highest rated movie together was Professor Layton and the Eternal Diva (2009). They have not worked together since Professor Layton and the Eternal Diva (2009).