ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,048, issued on April 21, was assigned to TOYOTA JIDOSHA K.K. (Aichi-Ken, Japan).

"Driving diagnostic device, driving diagnostic system, machine learning device and generation method of learned model" was invented by Masato Endo (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The driving diagnostic device of the present disclosure includes: an acquisition unit that acquires traveling data indicating a traveling state of a vehicle; a driving evaluation unit that evaluates a driving operation of the driver based on the traveling data acquired by the acquisition unit; a passenger presence-absence detection unit that detects presence or ab...