ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,588, issued on Nov. 4, was assigned to TOYOTA JIDOSHA K.K. (Aichi, Japan).

"Driver state determination apparatus" was invented by Takahiro Miyadoh (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver state determination apparatus determines the state of a driver's face based on an image captured by a driver monitoring camera provided for the steering wheel. The device comprises a driver state determination unit that determines the driver's state from the image and a position change information acquisition unit that acquires position change information of the steering wheel. The driver state determination unit estimates the position ...