RISO Kagaku Corporation is one of the leading office automation companies in Japan . Established in 1946, the company was founded by Mr. Noboru Hayama. Mr. Akira Hayama is the President & CEO of RISO Kagaku Corporation. RISO is not only the innovator of the digital printing and duplicating process but is also the largest manufacturer of these systems in the world. Today, the company is the established world leader in emulsion ink, master films and digital printing and duplicating technologies.