Harmonic Drive Systems Inc.

Harmonic Drive Systems Inc., headquartered in Tokyo, specializes in the development and manufacturing of precision motion control components, particularly in the field of strain wave gearing. Their innovative technologies encompass a range of applications, including rotary actuators, speed reducers, and torque sensors, which are crucial for various industries such as robotics, aerospace, and automation. The company is recognized for its advanced lubrication methods and unique tooth profile designs, enhancing performance and reliability in demanding environments.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

327 Patents

#261 in Tokyo

#509 in Japan

#2,762 in the World

Tokyo, Japan

Harmonic Drive Systems Inc.

Forward Citations = 1,690

149 inventors:

Yoshihide Kiyosawa (56 out of 57 patents)

Masaru Kobayashi (54 out of 55 patents)

Shoichi Ishikawa (33 out of 38 patents)

4. Norio Shirokoshi (28 out of 31 patents)

5. Jun Handa (22 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harmonic Drive Systems Inc.. Retrieved from https://idiyas.com/company/harmonic-drive-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

87 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]