US Patent Issued to NTT on Oct. 28 for "Optical transmission system and transmission mode selecting method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,040, issued on Oct. 28, was assigned to NTT Inc. (Tokyo).

"Optical transmission system and transmission mode selecting method" was invented by Tetsuro Inui (Tokyo), Hideki Nishizawa (Tokyo), Seiji Okamoto (Tokyo), Akira Hirano (Tokyo), Shokei Kobayashi (Tokyo), Fumikazu Inuzuka (Tokyo), Seiki Kuwabara (Tokyo), Takafumi Tanaka (Tokyo), Kei Kitamura (Tokyo) and Takuya Oda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmission system including an optical transmission device and an optical reception device that receives, via an optical transmission line, a signal transmitted from the optical transmission device, the optical transm...