RISO has it’s origins in post-war Japan and was invented by Noboru Hayama in 1946,
nowadays its headquartered in Tokyo, under the name Riso Kagaku Corporation.
The word “Riso” stands for “ideal” in Japanese.
The Risograph was originally designed for high-volume printing in institutions
such as schools, churches and local communities. It’s soy-based ink,
high efficiency and low production cost is perfect for production runs of
50 to 10000 copies of the same print in colour.