ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,481, issued on May 6, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"Method for manufacturing optical fiber" was invented by Iwao Okazaki (Osaka, Japan), Yuuki Shibuya (Osaka, Japan) and Keisei Morita (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an optical fiber coats a first resin on a glass fiber drawn from a glass base material, and cures the first resin to form a first coating. The method includes causing the glass fiber to travel at a first velocity during a first time period, increasing the velocity from the first velocity to a second velocity during a second time period following ...