Hioki E.E. Corp. engages in the development, manufacture, sale and service of electrical measuring instruments. It operates through the Electrical Measuring Instruments and Others segments. The Electrical Measuring Instruments segment offers acquisition oscilloscopes, multichannel and compact data loggers, resistance meters and battery testers, electrical safety testers and hipot testers, power meters and analyzers, current probes and sensors, signal generators, and automatic testing equipment. The Others segment handles the management of company real estate properties and the insurance agency business. The company was founded by Mizo Hioki, Mineji Hioki and Shiro Hioki in June 1935 and is headquartered in Ueda, Japan.