How many movies have Yoshihisa Tsurubuchi and Yukiyoshi Itokawa collaborated on?

They have worked on 14 movies together! Their first movie together was Lupin the Third: Bye Bye, Lady Liberty (1989) while their highest rated movie together was Go! Anpanman: Blacknose and the Magical Song (2010). They have not worked together since Go! Anpanman: Blacknose and the Magical Song (2010). They are most known for their animation films together.