Hioki E.E. Corporation (6866.T) develops, manufactures and sells electrical measuring instruments worldwide, including data acquisition systems, oscilloscopes and memory recorders; power meters, analyzers and quality analyzers; clamp meters and multimeters; LCR meters, impedance analyzers, capacitance meters, resistance meters and battery testers; super megohmmeters, electrometers and picoammeters; benchtop and handheld digital multimeters; electrical safety testers, hipot, insulation and leakage testers; signal generators and calibrators; current probes, voltage probes and CAN sensors; LAN cable testers; solar panel and photovoltaic system maintenance tools; insulation testers and megohmmeters; ground resistance, phase rotation and voltage detection devices; IoT and specialized solutions; as well as bare board, package and populated board testing equipment; founded in 1935 and headquartered in Ueda, Japan. The company operates through subsidiaries in Japan, China, the United States, Europe and other regions, serving industries such as mobility, batteries, motors, energy, electronic components and infrastructure. Recent developments include the establishment of the Hioki Group Policy in December 2025 to promote integrated group management under Vision 2030; launch of products such as the RM3542C resistance meter in November 2025 for chip resistor production, ALDAS-α electrolysis cell analyzer in October 2025 for hydrogen R&D, PW4001 power analyzer in October 2025 and MR8848 Memory HiCorder in June 2025; opening of new technical centers in Yokohama and Osaka starting August 2024; construction and operational start of Ueda Factory II in July 2024 to expand automatic testing equipment production; formation of a dedicated hydrogen business organization in May 2024; and establishment of a subsidiary in Vietnam in March 2025.