Yokowo Co. Ltd. engages in the manufacture and sale of electronic equipment. It operates through the following segments: Vehicle Communication Equipment, Circuit Testing Connectors, and Wireless Communication Equipment. The Vehicle Communication Equipment segment includes composite and compact antenna for vehicle communication and social infrastructure systems. The Circuit Testing Connectors segment covers fine connectors for high density and integration requirements of semiconductors and electronic components, as well as for high-speed signal quality testing. The Wireless Communication Equipment segment comprises of micro connectors for miniaturization, and original equipment manufacturer guide wires and fine precision parts for catheters. The company was founded by Chutaro Yokoo on September 1, 1922 and is headquartered in Tokyo, Japan.