ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,409, issued on July 21, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan) and DENSO Corp. (Kariya, Japan).

"Driver monitoring device and method using criterion based on surrounding vehicles" was invented by Jiro Fujino (Tokyo-to, Japan), Kenichiroh Hara (Yokohama, Japan), Satoru Kawakami (Tokyo-to, Japan), Hiroshi Morimoto (Tokyo-to, Japan) and Kenta Yamada (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver monitoring device has a processor which acquires surrounding vehicle information, surrounding road environment information and driver line-of-sight direction information, performs autonomous driving or driving assistance o...