Harmonic Drive Systems, Inc. engages in the manufacture and sale of mechatronics products and speed reducers. Its brands include HarmonicDrive, AccuDrive, and HarmonicPlanetary. Its products are used in the application fields of industrial robots, semiconductor manufacturing equipment, and flat panel display manufacturing equipment, oil drilling equipment, optical instruments, printers, machine tools, aviation and space related equipment, and medical equipment. The company was founded on October 27, 1970 and is headquartered in Tokyo, Japan.