How many movies have Mitsuo Asano and Noboru Ono collaborated on?

They have worked on 2 movies together! Their first movie together was 鷹天皇飄々剣　吉野の風雲児 (1962) while their highest rated movie together was Kagemaru of the Iga Clan (1963). They have not worked together since Kagemaru of the Iga Clan (1963).