How many movies have Kouichirou Ueda and Tomokazu Seki collaborated on?

They have worked on 9 movies together! Their first movie together was Doraemon: The New Record of Nobita's Spaceblazer (2009) while their highest rated movie together was Steins;Gate: The Movie - Load Region of Déjà Vu (2013). They have not worked together since Doraemon the Movie: Nobita's Sky Utopia (2023). They are most known for their animation films together.