The Joints — Precision Gearing & Reducers · The Embodied Stack — Robotics
6268.T
Nabtesco CorporationForeign listing — not directly tradable in a US brokerage. Editorial detail only.
~60% global share of cycloidal RV reducers — the high-torque joint at the shoulder and hip
What they do
Japanese industrial that makes "RV reducers" — cycloidal gearboxes that handle the heaviest joints in industrial robots and humanoid shoulders/hips . ABB, Fanuc, Yaskawa, and Kuka all buy from Nabtesco. Also makes aircraft components and railway brakes — robotics is the growth engine.