How many movies have Takao Konishi and Takuya Negishi collaborated on?

They have worked on 2 movies together! Their first movie together was Ultraman Ginga S the Movie: Showdown! The 10 Ultra Warriors! (2015) while their highest rated movie together was Ultraman X The Movie: Here He Comes! Our Ultraman (2016). They have not worked together since Ultraman X The Movie: Here He Comes! Our Ultraman (2016).