US Patent Issued to SUZHOU MASON OPTICAL on June 2 for "Double-sided compound spectacle lens and preparation mold therefor" (Chinese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,099, issued on June 2, was assigned to SUZHOU MASON OPTICAL Co. LTD. (Suzhou, China).

"Double-sided compound spectacle lens and preparation mold therefor" was invented by Haomo Yu (Suzhou, China), Xiaoyi Chen (Suzhou, China), Tao Feng (Suzhou, China) and De Li (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A double-sided composite spectacle lens and an inject mold therefor are provided. One surface of the spectacle lens is an aspherical surface, and the other surface is a designed aspherical surface used to inhibit astigmatism, and a spectacle lens formed by combining the two surfaces has two areas with different functions: optimizing ...