Yamaichi Electronics (山一電機株式会社) is a company that manufactures and supplies connectors and interconnect systems. Its products include test and burn-in integrated circuit (IC) sockets, connectors and production IC sockets, flexible printed circuits, as well as optical filters, tunable laser light sources, and optical modules. The company serves a range of applications, including telecom infrastructure, automotive, industrial automation, cell phones, GPS systems, printers, digital cameras, etc.