ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,401, issued on July 21, was assigned to ISUZU MOTORS Ltd. (Tokyo).

"Safe driving determination apparatus" was invented by Kazuhiko Yamaguchi (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safe driving determination apparatus includes an angle value calculation part that calculates an angle value indicating a face direction angle of a driver with respect to the traveling direction, a determination part that determines whether or not the driver is in a state of being inattentive to the road ahead on the basis of whether or not an integrated value of angle values during a past predetermined determination period is equal to or greater...