ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,129, issued on June 30, was assigned to YAZAKI Corp. (Tokyo).

"Vehicle display device" was invented by Masaya Hatakeyama (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a vehicle display device, in accordance with a change in a degree of lightness around a vehicle based on illuminance detected by an illuminance sensor that detects illuminance around the vehicle, a brightness adjustment unit makes a response of brightness adjustment of a virtual image to the detected change in illuminance relatively fast when an age of a driver estimated by an age estimation unit is relatively high, and makes a response of the brightness adjustment...