ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,299, issued on July 14, was assigned to Nippon Seiki Co. Ltd. (Niigata, Japan).
"Head-up display device" was invented by Ken Noguchi (Niigata, Japan) and Masao Satoh (Niigata, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present invention is to provide a head-up display device that enables a reduction in size. A head-up display device according to the present invention comprises: a display unit that emits display light; a first mirror that reflects the display light from the display unit; a second mirror that reflects the display light reflected by the first mirror; and a mirror driving unit that rotates the first mirror a...