Yokowo Co. Ltd engages in the manufacture and sale of electronic equipment. It operates through the following segments: Vehicle Communication Equipment, Circuit Testing Connector, and Wireless Communication Equipment. The Vehicle Communication Equipment segment engages in the manufacture and sale of media and composite and compact antenna for vehicle communication and social infrastructure systems. The Circuit Testing Connector segment covers the manufacture and sale of 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 handles the manufacture and sale of micro connectors for miniaturization, low profile and space saving of mobile information terminal equipment. It also manufactures and sells original original equipment manufacturer guidewrires and fine precision parts for catheters. The company was founded by Chutaro Yokoo on September 1, 1922 and is headquartered in Tokyo, Japan.