The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 16, 2025
Filed:
Sep. 16, 2021
Applicant:
National Institute of Information and Communications Technology, Tokyo, JP;
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/32 (2006.01); G02B 30/60 (2020.01); G03H 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/32 (2013.01); G02B 30/60 (2020.01); G03H 1/0476 (2013.01);
Abstract
An AR optical element having high image quality, high efficiency of light utilization, and small-size is provided. The AR optical element has periodic structures of refractive index multiplexed with a predetermined interval and predetermined multiplicity, wherein each of the periodic structures of refractive index has an optical normal in a different direction from a physical normal orthogonal to a plane of a micro-region that reflects incident light.
Wakunami, Koki. (2025). Ar optical element, method for manufacturing the same, and ar display device (U.S. Patent No. 12498513). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12498513
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile