Daiichi Kigenso Kagaku Kogyo Co., Ltd. engages in the production, processing, and sale of chemical and industrial products. It operates through the following divisions: Catalyst, Electronic Materials and Oxygen Sensor, Refractory and Brake Materials, Fine Ceramics, and Others. The Catalyst division offers automobile emission purification and industrial catalysts. The Electronic Materials and Oxygen Sensor division supplies electronic materials, oxygen sensors, and optical materials. The Refractory and Brake Materials division produces heat resistant and brake materials. The Fine Ceramics division deals with fine ceramics and fuel battery-related products. The Others division involves cesium flux, thermal barrier coating, precision coating, adsorbent, cross-linking agent, and high-quality paper coating. The company was founded on May 21, 1956 and is headquartered in Osaka, Japan.