Nabtesco ranks 27 on the Robotics 100 with a score of 86; Harmonic Drive Systems ranks 43 with 84. Harmonic Drive Systems is ahead on firepower. Nabtesco is ahead on deployment and progress. Level on production, commercials, technology, positioning and leverage. Both are based in Tokyo, Japan. Harmonic Drive Systems: Public, founded 1970. Nabtesco: Established. Harmonic Drive Systems is named in 5 signals and Nabtesco in 5.
Harmonic Drive Systems supplies precision reducers and motion-control components used to actuate robots.
Darker bar: ahead of the other company on that measure.
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.
5 signals name Harmonic Drive Systems.
39 facts on file.
Nabtesco manufactures precision reducers and motion-control components used in industrial robot joints and other robotic actuation systems.
Darker bar: ahead of the other company on that measure.
Nabtesco is a Japanese precision-reducer maker (~$1.3B group revenue) supplying RV reducers for large and mid robot joints, with a share estimated at 35-60% depending on scope definition, and it supplies nearly every major robot OEM. It is doubling its RV reducer production capacity by 2026 citing humanoid demand, with its precision segment up JPY 4.8bn in Q1-26 on auto and semiconductor recovery. It is a components-scale incumbent in the motion supply chain.
5 signals name Nabtesco.
23 facts on file.
Nabtesco ranks 27 on the Robotics 100 with a score of 86; Harmonic Drive Systems ranks 43 with 84. Harmonic Drive Systems is ahead on firepower. Nabtesco is ahead on deployment and progress. Level on production, commercials, technology, positioning and leverage. Both are based in Tokyo, Japan. Harmonic Drive Systems: Public, founded 1970. Nabtesco: Established. Harmonic Drive Systems is named in 5 signals and Nabtesco in 5.
Nabtesco ranks 27 on the Robotics 100 with a score of 86; Harmonic Drive Systems ranks 43 with 84. Harmonic Drive Systems is ahead on firepower. Nabtesco is ahead on deployment and progress. Level on production, commercials, technology, positioning and leverage. Both are based in Tokyo, Japan. Harmonic Drive Systems: Public, founded 1970. Nabtesco: Established. Harmonic Drive Systems is named in 5 signals and Nabtesco in 5. Both company files carry the scores on eight measures, the facts with sources and the latest signals.
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