US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on May 13 for "Spatial optical communication system" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,284, issued on May 13, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Spatial optical communication system" was invented by Naotaka Shibata (Musashino, Japan), Rintaro Harada (Musashino, Japan) and Shin Kaneko (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spatial optical communication system in which a plurality of transmitters and a plurality of receivers opposite to each of the plurality of transmitters perform an optical communication in parallel, in which the plurality of transmitters transmit optical signals of same or adjacent wavelengths to the receivers of each opposite location, and has an interference b...