US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on Oct. 6 for "Optical waveguide production method and optical waveguide" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,365, issued on Oct. 6, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Optical waveguide production method and optical waveguide" was invented by Tetsuya Nakanishi (Osaka, Japan), Manabu Shiozaki (Osaka, Japan), Shigehiro Nagano (Osaka, Japan) and Hajime Arao (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide manufacturing method according to one embodiment is an optical waveguide manufacturing method by irradiating glass with femtosecond laser beam to form an optical waveguide. The optical waveguide manufacturing method includes a first process of irradiating the glass with the femtosecond laser beam...