How many movies have Akira Shioji and Nagaki Yamagishi collaborated on?

They have worked on 20 movies together! Their first movie together was Shingo's Original Challenge, Part 1 and 2 (1959) while their highest rated movie together was Travels of Hibari and Chiemi (1962). They have not worked together since The Street Fighter's Last Revenge (1974). They are most known for their action films together.