Harmonic Drive overview

Harmonic Drive is a critical component supplier for robotics because precision gearboxes and actuators determine robot accuracy, compactness and torque density. The company's strain-wave gearing is widely used in industrial robots, cobots, humanoids, semiconductor equipment, aerospace systems and medical devices.

Company fact	Detail
Founded	1970 in Japan; harmonic gear technology roots from 1950s
Country	Japan
Address	6-25-3 Minami-Ohi, Shinagawa-ku, Tokyo 140-0013
Employees	Approx. 1,000+ globally across group companies
Specializes in	Precision strain-wave gears, servo actuators, robot joints, high-precision motion components
Products	HarmonicDrive gears, CSF series, CSD series, SHG series, FHA actuators, servo actuators, precision gearheads
Typical projects	Industrial robot joints, collaborative robot actuators, semiconductor equipment, aerospace mechanisms, humanoid robot joints, medical devices, precision automation
Management and ownership	Harmonic Drive Systems Inc. is publicly listed in Japan. President: Norimitsu Ito. Ownership is public-market based with institutional shareholders and related group companies internationally.

Website: www.hds.co.jp/english

Harmonic Drive review summary

Harmonic Drive Systems is a Japanese precision machinery company whose strain wave gears sit in the joints of many industrial and collaborative robots. Net sales were JPY 59.6 billion in the fiscal year that ended in March 2026, and its market value roughly doubled over the following months. This profile sets out its business, results and share data.

Verified key facts from the review

Fact	Detail
Company	Harmonic Drive Systems Inc.
Country	Japan
Net sales	JPY 59.6 billion in the fiscal year ended March 2026
Operating income	JPY 2.6 billion
Main product	Strain wave gearing, sold under the Harmonic Drive name
Product mix	Reduction gears 77.8% of sales; mechatronics 22.2%
Stock listing	Tokyo Stock Exchange: 6324
Market capitalization	About USD 3.7 billion in October 2026