How many movies have Hiroyoshi Yamamoto and Masahiro Chôno acted in together?

They have worked on 16 movies together! Their first movie together was NJPW Battle Zone Space II (1992) while their highest rated movie together was NJPW The Spiral (2002). They have not worked together since NJPW G1 Climax 17: Day 6 (Final) (2007).