How many movies have Yoshito Usui and Yumi Takada collaborated on?

They have worked on 7 movies together! Their first movie together was Crayon Shin-chan: Action Mask vs. Leotard Devil (1993) while their highest rated movie together was Shin Chan: The Adult Empire Strikes Back (2001). They have not worked together since Crayon Shin-chan: The Legend Called: Dance! Amigo! (2006). They are most known for their animation films together.