ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,412, issued on June 10, was assigned to NEC Corp. (Tokyo).

"Movement state estimation device, movement state estimation method and program recording medium" was invented by Hiroyoshi Miyano (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "[Problem] To provide a motion condition estimation device, a motion condition estimation method and a motion condition estimation program capable of accurately estimating the motion condition of monitored subjects even in a crowded environment. [Solution] A motion condition estimation device according to the present invention is provided with a quantity estimating means and a motion condition estimating means....