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:
Sep. 22, 2026
Filed:
Jan. 24, 2024
Applicant:
Lumotive, Inc., Redmond, WA (US);
Inventors:
Erik Edward Josberger, Renton, WA (US);
Lie “Larry” Zhao, Washougal, WA (US);
Linda Gail Conway, Duvall, WA (US);
Gleb M. Akselrod, Kenmore, WA (US);
Assignee:
Lumotive, Inc., Redmond, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01);
U.S. Cl.
CPC ...
G02F 1/292 (2013.01); G02F 2202/30 (2013.01); G02F 2203/15 (2013.01);
Abstract
A tunable optical device includes a dielectric substrate with an array of metallic extension elements extending therefrom. The metallic extension elements are spaced closely together with subwavelength gaps between them. A multilayer passivation coating is applied to at least the opposing sidewalls and the top wall of each metallic extension element.
Josberger, Erik. (2026). Metasurface devices with multilayer passivation coatings (U.S. Patent No. 12742995). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12742995
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile