How many movies have Akiko Ishida and Fujiko F. Fujio collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita's Dinosaur (2006) and was their highest rated movie together. They have not worked together since Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi (2017). They are most known for their family films together.