ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,627, issued on Dec. 23, was assigned to MAXELL LTD. (Kyoto, Japan).

"Head-up display" was invented by Haruhiko Yoneda (Kyoto, Japan), Souta Sato (Kyoto, Japan) and Nozomu Shimoda (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A main controller of an HUD is configured to: acquire road surface information of a front road surface based on a plurality of measurement points on the front road surface, which is detected by a road surface detection sensor mounted on a vehicle with the HUD and is positioned forward of a traveling direction of the vehicle; calculate, by using the road surface information, a virtual image plane position on a virt...