How many movies have Kappei Yamaguchi and Ken Narita acted in together?

They have worked on 4 movies together! Their first movie together was Inuyasha the Movie: Affections Touching Across Time (2001) while their highest rated movie together was Inuyasha the Movie 3: Swords of an Honorable Ruler (2003). They have not worked together since Detective Conan: Private Eye in the Distant Sea (2013). They are most known for their animation films together.