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The Joints — Precision Gearing & Reducers · The Embodied Stack — Robotics

6268.T

Nabtesco Corporation
Foreign 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.