US Patent Issued to HOYA Optical Labs of America on March 31 for "Abrasion resistance for patterned lens" (Minnesota Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,081, issued on March 31, was assigned to HOYA Optical Labs of America Inc. (Lewisville, Texas).

"Abrasion resistance for patterned lens" was invented by Jeffrey Brown (Ramsey, Minn.), David Olund (Ramsey, Minn.), Hannah Vu (Ramsey, Minn.), Jose A. Orozco Rodriguez (Ramsey, Minn.) and Griff Altmann (Ramsey, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A patterned lens with abrasion resistance having a base layer hard coat and a top hard coat. The base layer hardcoat may be formed on a film or sheet and used in molding the patterned lens. The top hard coat may be applied after molding."

The patent was filed on Nov. 23, 2022, under Applicatio...