ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,844, issued on May 13, was assigned to KOMATSU LTD. (Tokyo).

"Speed limiting device and method for an unmanned vehicle based on inclination data of the travel path" was invented by Kenta Osagawa (Tokyo), Tomonori Ozaki (Tokyo) and Yuji Kobashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned vehicle control system includes: a speed limit calculation unit that calculates a speed limit of an unmanned vehicle based on inclination data of a travel path on the front side of the unmanned vehicle; and a travel control unit that causes the unmanned vehicle to travel based on the speed limit."

The patent was filed on March 12, 2020, under A...