US Patent Issued to Fujikura on July 8 for "Optical fiber cable" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,353,036, issued on July 8, was assigned to Fujikura Ltd. (Tokyo).

"Optical fiber cable" was invented by Akira Namazue (Sakura, Japan), Shogo Shimizu (Sakura, Japan), Go Taki (Chiba, Japan), Okimi Mukai (Sakura, Japan) and Ken Osato (Sakura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber cable includes: a sheath including recesses and protrusions that are alternately disposed in a circumferential direction on an outer circumferential surface of the sheath; a core that includes optical fibers and is accommodated in the sheath; tensile strength members embedded in the sheath; and a ripcord that is embedded in the sheath. A marking por...