ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,385, issued on June 17, was assigned to HOYA Optical Labs Of America Inc. (Lewisville, Texas).
"Cast lens" was invented by Hannah Vu (Ramsey, Minn.), David Olund (Ramsey, Minn.), Sarawuth Seewattanangkoon (Ramsey, Minn.), Ladawan Chantharadet (Ramsey, Minn.), Harjit Bhambra (Ramsey, Minn.), Tim Reynolds (Ramsey, Minn.), Robin Kezar (Ramsey, Minn.), Jeff Brown (Ramsey, Minn.) and Richard Blacker (Ramsey, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin."
The patent was filed on Feb. 26, 2021, under Applicatio...