ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,755, issued on Sept. 2, was assigned to NTT Inc. (Tokyo).

"Communication system, computing machine, communication method and program" was invented by Kiwami Inoue (Musashino, Japan), Junki Ichikawa (Musashino, Japan), Yukio Tsukishima (Musashino, Japan), Kenji Shimizu (Musashino, Japan), Hideki Nishizawa (Musashino, Japan), Toru Mano (Musashino, Japan) and Tomoya Hibi (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication system includes a plurality of computing machines 1 and 2 connected to an optical network, in which the optical network includes a main signal communication path 4 and a control communication path 3. Each ...