US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on April 22 for "Optical communication system" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,990, issued on April 22, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Optical communication system" was invented by Kyo Minoguchi (Musashino, Japan), Toshiaki Shitaba (Musashino, Japan) and Tomoaki Yoshida (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical communication system includes a first optical communication device; a plurality of second optical communication devices configured to perform communication with the first optical communication device; a chromatic dispersion compensation device connected to the first optical communication device; and an optical transmission line connected to the chromatic d...