ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,046, issued on Oct. 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Inattentiveness determination device and method" was invented by Ryo Shirai (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inattentiveness determination device which determines whether or not a driver of a vehicle is inattentive, includes: a line-of-sight direction detection unit for detecting a line-of-sight direction of the driver; a towing determination unit for determining whether or not a towed vehicle is connected to the vehicle; an inattentiveness determination unit determining whether or not the driver is an inattentive state, based on whether or ...