How many movies have Kohei Tanaka and Shuichi Ito collaborated on?

They have worked on 2 movies together! Their first movie together was Obatarian (1990) while their highest rated movie together was Licca the Movie: Licca-chan to Yamaneko Hoshi no Tabi (1994). They have not worked together since Licca the Movie: Licca-chan to Yamaneko Hoshi no Tabi (1994).