How many movies have Kōji Sekiyama and Seiya Satō acted in together?

They have worked on 22 movies together! Their first movie together was Drifting Detective: Black Wind in Harbor (1961) while their highest rated movie together was Japan Organized Crime Boss (1969). They have not worked together since The Shogun's Vault IV: The Gold Mines of Sado (1983). They are most known for their crime films together.