Harmonic Drive Systems supplies precision reducers and motion-control components used to actuate robots.
Harmonic Drive Systems is the Japanese inventor and reference supplier of strain-wave gears (TSE:6324, ~JPY 60B class), whose core market is industrial robot joints (every major arm maker) with humanoid demand layering on top. It holds a near-monopoly in precision strain-wave gearing, though the NSK-NTN merger and a Chinese price attack (Leaderdrive) are recorded competitive threats. Revenue is 100-500m.
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Harmonic Drive Systems supplies precision reducers and motion-control components used to actuate robots. Harmonic Drive Systems is the Japanese inventor and reference supplier of strain-wave gears (TSE:6324, ~JPY 60B class), whose core market is industrial robot joints (every major arm maker) with humanoid demand layering on top. It holds a near-monopoly in precision strain-wave gearing, though the NSK-NTN merger and a Chinese price attack (Leaderdrive) are recorded competitive threats. Revenue is 10
Harmonic Drive Systems ranks 43 of 100 on the Robotics 100 (November 2026 edition) with a score of 84 out of 100, in Actuation (Components). Assessment by Frontier Tech Intelligence.
SMC (rank 15), Physik Instrumente (rank 20), Nabtesco (rank 27), SPINEA (rank 95).
Harmonic Drive Systems is based in Tokyo, Tokyo, Japan. Founded 1970. Stage: Public.
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