How many movies have Fujiko F. Fujio and Masaru Ooshiro collaborated on?

They have worked on 9 movies together! Their first movie together was Doraemon: Nobita and the Legend of the Sun King (2000) while their highest rated movie together was Doraemon: Nobita's Dinosaur (2006). They have not worked together since Doraemon the Movie: Nobita's Earth Symphony (2024). They are most known for their family films together.