How many movies have Etsuko Iiguchi and Fumiyasu Saito collaborated on?

They have worked on 2 movies together! Their first movie together was Doraemon: Nobita's Dorabian Nights (1991) while their highest rated movie together was Doraemon: Nobita and the Winged Braves (2001). They have not worked together since Doraemon: Nobita and the Winged Braves (2001).