ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,927, issued on Feb. 18, was assigned to NEC Corp. (Tokyo).

"Control of host vehicle of unmanned vehicle group based on constraint condition, activity situation of host vehicle, and activity amount of host vehicle" was invented by Masumi Ichien (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An unmanned vehicle belongs to an unmanned vehicle group that includes a plurality of unmanned vehicles to control the unmanned vehicle in accordance with the condition of the entire unmanned vehicle group The unmanned device includes a reception means configured to receive a restriction condition pertaining to an amount of activity of the unmanned vehicle ...