Riso is the original and the world’s number one digital duplicator brand. The Riso Super Digital Duplicator, commonly known as the Risograph,  is a high-speed digital printing system manufactured by Riso Kagaku Corporation of Japan. Invented and developed by the company’s founder, Noboru Hayama, the Risograph is designed to bridge the gap between the photocopier and offset printing. Riso Kagaku Corporation is also the inventor and manufacturer of the world’s fastest full color inkjet printers, the ComColor Series and the Goccopro Digital Screen Printing Machine.