Toyo Tanso Co., Ltd. engages in the production and sale of graphite and carbon products for general industries. It operates through the following business divisions: Special Graphite Products, Carbon Products, and Compound and Other Materials. The Special Graphite Products division develops and supplies isotropic graphite for semi-conductor and solar cell applications. The Carbon Products division produces and markets carbon products for mechanical and electronic applications, such as products for small motors intended for vacuum cleaners and electric power tools. The Compound and Other Materials division sells SiC (silicon carbide)-coated graphite and semiconductor products. The company was founded by Teruhisa Kondo on February 11, 1941 and is headquartered in Osaka, Japan.