US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on March 24 for "Optical fiber" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,062, issued on March 24, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Optical fiber" was invented by Kazuyuki Sohma (Osaka, Japan), Takahiro Nomura (Osaka, Japan), Yudai Watanabe (Osaka, Japan) and Iwao Okazaki (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The optical fiber includes a glass fiber and a coating resin layer. The coating resin layer includes a primary resin layer and a secondary resin layer. The glass fiber has an outer diameter of from 99 micro metre to 101 micro metre. The secondary resin layer has an outer diameter of from 120 micro metre to 170 micro metre. The primary resin layer has an in sit...