- Business
- YASUNAGA CORPORATION (7271.T) manufactures and sells engine parts for automotive and industrial applications, machine tools, wire saws, electronics systems, and environmental equipment. The company produces core engine components including connecting rods for 2- to 8-cylinder engines, cylinder heads and blocks primarily in aluminum, camshafts with induction quenching and hollow designs for weight reduction, and crankshafts for gasoline and diesel engines used in automotive, farming, and industrial machinery; it also offers other parts such as oil pans, bearing caps, flywheel housings, balancer shafts, lash adjusters, exhaust manifolds, throttle bodies, converter housings, inverter housings, transaxle cases, motor stator housings, and brake actuator housings. In its machinery segment, Yasunaga provides machine tools, wire saw machines for solar cells, semiconductors, and electronics, inspection and measurement equipment including semiconductor inspection systems, leakage current meters, PCB inspection equipment, dimensional and visual inspection systems, non-destructive testing systems, and leak testers; assembly machines, CO2 laser machines, ultrasonic polishing machines, boring machinery, machining centers, and articulated robots; as well as environmental equipment such as air pumps and disposers, alongside services in transportation, building maintenance, factory cleaning, employee meals, and welfare equipment rental. The company serves the automotive, industrial machinery, semiconductor, electronics, solar cell, and environmental sectors, with primary customers including automakers and OEMs globally.
Founded in June 1923 and incorporated in September 1949, Yasunaga Corporation is headquartered at 3860 Midorigaoka Naka-machi, Iga City, Mie Prefecture, Japan, with principal manufacturing facilities including the Head Office and Main Plant, Yumegaoka Plant, Nabari Plant, and Saimyoji Plant in Mie Prefecture, plus a Tokyo sales office. It maintains a global network through subsidiaries such as P.T. Yasunaga Indonesia (established 1996), Yasunaga (Thailand) Co., Ltd. (2012), YASUNAGA MEXICO S.A. DE C.V. (2015), and Yasunaga Corp. America (1998, consolidated), supporting operations primarily in Japan, Asia, North America, and Latin America. As of March 31, 2025, the company employs 583 people on a non-consolidated basis (1,703 consolidated) with capital of 2,142 million yen and lists on the Tokyo Stock Exchange Standard Market.
Recent developments include a market shift from the Prime to the Standard Market of the Tokyo Stock Exchange in October 2023, following a prior move to Prime in April 2022; divestiture of the majority stake in Yasunaga Korea Co., Ltd. in December 2022, removing it from consolidated results; and ongoing focus on next-generation vehicle parts such as electric components for inverters, transaxles, motors, and brakes amid automotive electrification trends. The company continues to leverage integrated manufacturing from casting materials to machining and logistics, emphasizing precision processing and inter-divisional technology collaboration for engine production lines. No major acquisitions, partnerships, funding rounds, or new product launches were reported in the last 1-2 years.