ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,172, issued on June 30, was assigned to SUBARU Corp. (Tokyo).

"Headlight controller" was invented by Kentaro Yamasaki (Tokyo), Makoto Kinoshita (Tokyo), Noriaki Asano (Tokyo) and Shunichi Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A headlight controller controls a headlight unit that illuminates a predetermined range in front of a vehicle. The headlight controller includes an inter-vehicle distance obtainer, an illumination controller, and a light distribution controller. The inter-vehicle distance obtainer acquires an inter-vehicle distance from the vehicle on which the headlight unit is mounted to a vehicle in front traveling i...