How many movies have Nobuaki Tanaka and Yumiko Ishii collaborated on?

They have worked on 3 movies together! Their first movie together was Yes! Precure 5: The Great Miracle Adventure in the Country of Mirrors (2007) while their highest rated movie together was Yes! Precure 5 Go Go! Movie: Happy Birthday in the Land of Sweets (2008). They have not worked together since Fresh Precure! Movie: The Kingdom of Toys has Lots of Secrets!? (2009). They are most known for their family films together.