Harmonic Drive Systems Inc. produces and sells precision control equipment and components worldwide. It offers mechatronics products, including rotary and linear actuators, speed reducers, motors, sensors, drivers, controllers, and other system elements. The company also provides HarmonicDrive, a precision speed reducer; high-precision planetary speed reducers under the AccuDrive and HarmonicPlanetary brands; and high-performance gear heads for servo motors series. Its products are used in industrial robots, semiconductor manufacturing equipment, and other systems. Harmonic Drive Systems Inc. was founded in 1970 and is headquartered in Tokyo, Japan.