Cluster Technology Co., Ltd. engages in the manufacture and development of composite materials, precision molded products, and nano technology related products. It operates through the following segments: Nano/Micro Technology, Macro Technology & Others. The Nano/Micro Technology segment handles the development and manufacture of composite materials, and sells precision molded products using its composite materials. The Macro Technology segment manufactures composite materials using its epoxy resin, and sells insulator molding compound and its dies. The Others segment deals with the sales of optical display devices and foreign matter inspection of medical container business. The company was founded on April 23, 1991 and is headquartered in Higashi-Osaka, Japan.