How many movies have Michihiro Itou and Shigeru Chiba collaborated on?

They have worked on 4 movies together! Their first movie together was Fist of the North Star - TV Compilation 2 - Six Sacred Fists of Nanto! Rei, the Star of Justice (1988) while their highest rated movie together was Patlabor 2: The Movie (1993). They have not worked together since Patlabor 2: The Movie (1993). They are most known for their action films together.