{"city":null,"name":"Sumitomo Drive","slug":"sumitomo-drive","facts":[{"date":"2026-02-01","type":"ownership_change","value":"Acquired Riverside Spline & Gear Inc. (Marine City, MI)","source":"angleadvisors.com"},{"date":"2025-06-01","type":"revenue_band","value":"100-500m+ est (reducer/robot-component line, division-scoped)","source":"shi.co.jp/english/info/2025/6kgpsq0000003pzq.html"},{"date":"2025-06-01","type":"ownership_change","value":"controlled_by: Sumitomo Heavy Industries","source":"shi.co.jp/english/info/2025/6kgpsq0000003pzq.html"},{"date":"2025-06-01","type":"product_launch","value":"Added DA Series gear head for servo motors to the Fine Cyclo high-precision gearbox lineup","source":"shi.co.jp/english/info/2025/6kgpsq0000003pzq.html"}],"peers":[],"stage":null,"state":null,"aliases":["住友重機械工業"],"country":"Japan","domains":[{"why":"Sumitomo Drive supplies precision gear reducers and gearheads, including the Fine Cyclo DA Series for servo motors. These components provide torque transmission and motion actuation for industrial robotic systems.","list":null,"rank":null,"tier":"watchlist","layer":null,"total":74,"domain":"Robotics","scores":{"gate_ne":["firepower"],"leverage":6,"position":8,"progress":6,"firepower":10,"commercial":6,"deployment":8,"production":8,"technology":6},"edition":null,"segment":null}],"founded":null,"signals":[],"website":"sumitomodrive.com","category":"Robotics · Components","categories":[{"name":"Actuation","domain":"Robotics","parent":"Robotics · Components"}],"last_round":null,"updated_at":"2026-09-22T22:13:32.298+00:00","facts_total":7,"positioning":"Sumitomo Drive Technologies is the power-transmission brand of Sumitomo Heavy Industries (TSE: 6302), and one of a handful of global kingpins in precision reduction gears for industrial robotics alongside Nabtesco, Harmonic Drive and Nidec. It supplies cycloidal precision gearboxes (Fine Cyclo, E-Cyclo/ECY), servo gearheads, and integrated AGV/AMR wheel-drive systems (smartris) used in robot joints and mobile robots. In 2025-26 it extended its Fine Cyclo high-precision line and acquired Michigan gear-maker Riverside Spline & Gear to add vertically integrated domestic (US) precision-gear capacity; the open question is entity-scoped revenue, as reported reducer figures are group/segment-level.","sub_category":"Actuation","signals_total":0,"url":"https://www.frontiertechintelligence.com/companies/sumitomo-drive","title":"Sumitomo Drive · robotics, Japan · scores, facts and signals · Frontier Tech Intelligence","description":"Sumitomo Drive supplies precision gear reducers and gearheads, including the Fine Cyclo DA Series for servo motors. These components provide torque transmission and motion actuation for industrial robotic systems. Robotics watchlist (score 74)","publisher":"Frontier Tech Intelligence (Future Frontiers, a trade name of Essential Cognition Inc.)","note":"Assessment by Frontier Tech Intelligence; facts and signals carry their sources."}