How many movies have Fujiko F. Fujio and Megumi Oohara collaborated on?

They have worked on 19 movies together! Their first movie together was Doraemon: Nobita's Dinosaur (2006) while their highest rated movie together was Stand by Me Doraemon 2 (2020). They have not worked together since Doraemon the Movie: Nobita's Earth Symphony (2024). They are most known for their adventure films together.