ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,889, issued on July 1, was assigned to SEIKO EPSON Corp. (Tokyo).

"Virtual image display device" was invented by Mitsutaka Ide (Shiojiri, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A virtual image display device includes a display element that emits an image light, a prism on which the image light from the display element is incident, a first mirror that reflect the image light from the prism, a second mirror that reflects the image light reflected by the first mirror, and a third mirror that guides the image light reflected by the second mirror to a position of an exit pupil, wherein the prism includes an incident portion on which image li...