Nippon Gear Co., Ltd. engages in the design, production, and sale of valve actuators, reduction gears, mixers, screw jacks, monitoring devices, data communication instruments, control equipment, and software. It operates through the Gear and Gear Drive and Construction segments. The Gear and Gear Drive segment manufactures and sells automobile gears, jacks, valves, and actuators. The Construction segment covers maintenance of gear devices that have been sold. The company was founded on December 5, 1938 and is headquartered in Fujisawa, Japan.