US Patent Issued to NTT on Oct. 6 for "Fiber optic cable" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,754,387, issued on Oct. 6, was assigned to NTT Inc. (Tokyo).

"Fiber optic cable" was invented by Yusuke Yamada (Musashino, Japan) and Kazuhide Nakajima (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to ensure low crosstalk for all multi-core optical fibers in an optical fiber cable having a plurality of identical multi-core optical fibers of non-coupling type in different spiral shapes.An optical fiber cable according to the present disclosure is an optical fiber cable formed by twisting a plurality of units each of which is formed by bundling a plurality of identical multi-core optical fibers of no...