ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,610, issued on May 6, was assigned to FURUKAWA ELECTRIC Co. LTD. (Tokyo).
"Optical fiber cable" was invented by Tetsuya Yasutomi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This optical fiber cable is a central-core-type cable in which slotted rods are not used, and is composed of a core, a wrapper, a tension member, a ripcord, a sheath, and the like. The core is formed by twisting together a plurality of optical fiber units without back-twisting. The optical fiber units are formed by twisting together a plurality of intermittently-fixed optical fiber ribbons. A direction in which the optical fiber ribbons are twisted together is same as a...