ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,731, issued on May 13, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Driver availability detection device and driver availability detection method" was invented by Natsuki Tahara (Tokyo) and Genta Yoshimura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver availability detection device includes an information acquisition unit to acquire information related to an occupant and a threshold setting unit to set an abnormal-state determination threshold for estimating the abnormal state of the occupant on a basis of an abnormal state score obtained by inputting the information related to the occupant acquired by the information acquisit...