How many movies have Daisuke Namikawa and Kenichi Wasano collaborated on?

They have worked on 2 movies together! Their first movie together was Engine Sentai Go-Onger vs. Gekiranger (2009) while their highest rated movie together was Engine Sentai Go-Onger: 10 Years Grand Prix (2018). They have not worked together since Engine Sentai Go-Onger: 10 Years Grand Prix (2018).