How many movies have Masao Oka and Ryuji Akai collaborated on?

They have worked on 1 movie together! Their first movie together was Yaji Kita manzai dochu-Bakehime sodo no maki (1955) and was their highest rated movie together. They have not worked together since Yaji Kita manzai dochu-Bakehime sodo no maki (1955).