ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,419, issued on July 7, was assigned to FANUC Corp. (Yamanashi, Japan).

"Robot controller" was invented by Kokoro Hatanaka (Yamanashi, Japan), Shintarou Hori (Yamanashi, Japan) and Yasuhiro Naitou (Yamanashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot controller includes a storage unit that stores load information including a mass and a center of gravity position of a load to be attached to a robot; a lead-through control unit that controls the robot comprising a sensor that detects an external force, based on the external force detected by the sensor and the load information stored in the storage unit; and a load suitability determi...