Diamond Electric Holdings Co., Ltd.

Diamond Electric Holdings Co., Ltd. operates in the automotive equipment, energy solutions, and electronic control equipment businesses in Japan. Its automotive offerings include ignition coils such as pencil and square coil-on-plugs, as well as ignition coils with ion current detection. The company also supplies electrical equipment including DC-DC converters for power regeneration, hybrid vehicles, and idling stops, along with controllers for car air conditioners, body control units, on-board chargers, rotation sensors, harness assemblies, and transmission switches. In addition, it provides energy solutions such as solar inverters, hybrid systems with battery units, and the TABUCHI-cloud remote monitoring service, plus power device products and electronic control devices. Incorporated in 2018, the company is headquartered in Osaka, Japan.