ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,722, issued on Nov. 18, was assigned to PANASONIC AUTOMOTIVE SYSTEMS Co. LTD. (Kanagawa, Japan).

"Display system, road surface undulation estimation device, and display method" was invented by Fumihito Inukai (Kyoto, Japan) and Toshiya Mori (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display system includes: a road surface undulation estimator that estimates undulation of a road surface; a superimposing position determiner that determines, based on the estimated undulation, a superimposing position at which content is to be displayed by being superimposed on a foreground; and a display that displays the content with the content su...