Harmonic Drive Systems

About Harmonic Drive Systems

Harmonic Drive Systems is a Japanese precision engineering company and the inventor of the harmonic drive, also known as the strain wave reducer. Founded in 1970, the company develops high-precision gear systems used in robotics, aerospace, semiconductor manufacturing, medical devices, and industrial automation. Its technology has become an industry standard for applications requiring compact size, high torque density, and exceptional positioning accuracy. Harmonic drive gearboxes are widely used in humanoid robots, where they enable lightweight, compact joints with minimal backlash and precise motion control. As one of the most important suppliers of robotic transmission technology, Harmonic Drive Systems plays a foundational role in the global humanoid robotics supply chain.