US Patent Issued to HOYA LENS THAILAND on July 15 for "Method for manufacturing optical member and optical member" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,394, issued on July 15, was assigned to HOYA LENS THAILAND LTD. (Pathumthani, Thailand).

"Method for manufacturing optical member and optical member" was invented by Shinichi Yokoyama (Tokyo) and Shigeki Ookubo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A film forming step of forming a thin film on an optical surface of an optical substrate, the optical surface having a curved surface shape, and a removal step of partially removing the thin film on the optical surface to perform patterning of the thin film. In the removal step, the thin film is removed by being irradiated with a laser beam."

The patent was filed on Dec. 25, 2019, under A...