Riken Corundum Company Limited. engages in the manufacture and sale of coated abrasive papers, abrasive cloths and powders, OA equipment parts, and merchandise for personal use in Japan and internationally. It is also involved in the management and rental of real estate properties. The company was incorporated in 1935 and is headquartered in Konosu, Japan. Riken Corundum Company Limited. is a subsidiary of Okamoto Industries, Inc.