ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,878, issued on Dec. 9, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Brake light activation determining device, storage medium storing computer program for determining brake light activation, and method for determining brake light activation" was invented by Ryusuke Kuroda (Tokyo-to, Japan), Hitoshi Kamada (Kawasaki, Japan), Tetsuro Sugiura (Chofu, Japan) and Daisuke Hashimoto (Chofu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A brake light activation determining device has a processor configured to detect decrease in the speed of a vehicle ahead, which is located ahead of one's own vehicle, based on output information from a sensor...