Dai-ichi Seiko Co., Ltd. engages in the manufacture and sale of electronic parts, automotive components, precision items, and manufacturing equipment. It operates through the following segments: Electrical and Electronic Components, Automotive Components, and Equipment. The Electrical and Electronic Components segment manufactures and sells connectors and its parts such as thin coaxial connectors and ultra-small radio frequency coaxial connectors, as well as electronic mechanical parts. The Automotive Components segment produces automotive electrical components such as automotive sensors and connectors. The Equipment segment deals with semiconductor resin molding machines and sealing equipment. The company was founded by Akira Konishi on July 10, 1963 and is headquartered in Kyoto, Japan.