Harmonic Drive Systems 

Operating globally, Harmonic Drive Systems Inc. specializes in the manufacture and distribution of high-precision control systems and their constituent parts. Their diverse product lineup encompasses various motion control elements such as speed reduction gears, rotational and linear actuators, AC servo motors, and a broad array of other mechatronic devices. A notable offering is the specialized HarmonicDrive, designed for aerospace applications. The company also provides high-accuracy planetary-gear speed reducers marketed under the AccuDrive and Harmonic Planetary brands, alongside BEAM SERVO galvano mirror optical scanners and Harmonicsyn incremental encoders. These advanced components are integral to critical applications in fields such as industrial robotics, semiconductor fabrication equipment, and numerous other technological systems. Harmonic Drive Systems Inc. was established in Tokyo, Japan, in 1970, where its corporate headquarters remain.