ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,502, issued on April 8, was assigned to UNIVERSITY OF TSUKUBA (Tsukuba, Japan).

"Image display device and image display method" was invented by Hideki Kakeya (Tsukuba, Japan) and Hayato Mitomi (Tsukuba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image display device displays a stereoscopic image by using a parallax barrier method and includes a transmissive image display surface on which images of left-eye image data and right-eye image data are alternately displayed; an image forming unit including optical members having strip-shaped patterns with optical properties arranged on a surface located on a back surface side of the image disp...