Harmonic AD, Inc.

Summary

About

About Harmonic AD, Inc.

Harmonic AD manufactures low-backlash planetary gear reducers for servo-driven motion systems. Its HarmonicPlanetary architecture applies thin elastic internal-gear technology to reduce mesh interference while retaining rigidity and torque capacity. Product families include HPG and higher-torque HPGP units, helical and input-shaft variants, plus AccuDrive HP and CP reducers for compact machine and robot axes.

The company was created in 2003 through a separation from Harmonic Drive Systems and remains wholly owned by the group. Its Azumino operation handles reducer development and manufacturing for robot, machine-tool, semiconductor, packaging and food-equipment customers. Group filings identify Harmonic AD as the manufacturer of precision planetary reducers sold by Harmonic Drive Systems, with cross-roller bearings supplied by sister company Harmonic Precision.

PRICE
Range 1Y
Return
High
Low
Updated
DATA: KORTHOS

Supply

Supply chain relationships

  • Harmonic Precision Inc.

    Inbound - Mechanical Components - Harmonic Precision supplies cross roller bearings for Harmonic AD precision planetary reducers

    Source
  • Harmonic Drive Systems

    Outbound - Manufacturing - Harmonic AD manufactures precision planetary reducers sold by HDSI

    Source

Team

  • Masakatsu Ohashi - Representative Director - Current leadership for Harmonic AD, Inc..

Relations

Relationships

  • Harmonic Drive Systems

    Wholly Owned Planetary Reducer Subsidiary - Harmonic AD is a wholly owned Harmonic Drive Systems subsidiary that manufactures precision planetary reducers.

Context

Comparable profiles

  • Zhongda Leader

    comparable profile - Motor Reducer Supplier · Precision Reducer Supplier

  • Nidec

    comparable profile - Motor Reducer Supplier · Precision Reducer Supplier

  • SPG

    comparable profile - Motor Reducer Supplier · Precision Reducer Supplier

  • Nabtesco

    comparable profile - Precision Reducer Supplier

  • Harmonic Drive LLC

    comparable profile - Precision Reducer Supplier

  • SBB TECH

    comparable profile - Precision Reducer Supplier

  • Schaeffler AG

    comparable profile - Precision Reducer Supplier

Shared workflows

Context tags

  • Precision reducer supplier - Peer Group - https://www.harmonic-ad.com/product.php — exact company context reviewed during today-new-supply-profile-qa-2026-09-26-run04.
  • Reducer gear supplier - Stack Layer - https://www.harmonic-ad.com/product.php — exact company context reviewed during today-new-supply-profile-qa-2026-09-26-run04.
  • Motor and reducer supplier - Peer Group - https://www.harmonic-ad.com/company.php — exact company context reviewed during today-new-supply-profile-qa-2026-09-26-run04.
  • Industrial robot joint motion - Workflow - https://www.harmonic-ad.com/company.php — exact company context reviewed during today-new-supply-profile-qa-2026-09-26-run04.