US Patent Issued to FURUKAWA ELECTRIC on Feb. 17 for "Colored optical fiber, optical fiber ribbon, assembly cable of single fibers, optical fiber ribbon cable and method for manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,089, issued on Feb. 17, was assigned to FURUKAWA ELECTRIC Co. LTD. (Tokyo).

"Colored optical fiber, optical fiber ribbon, assembly cable of single fibers, optical fiber ribbon cable and method for manufacturing the same" was invented by Kuniaki Ishizuki (Tokyo), Minoru Kasahara (Tokyo) and Mitsuhiro Iwaya (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A colored optical fiber comprises a bare optical fiber, a primary layer formed of a first ultraviolet curing resin covering the bare optical fiber, and a secondary layer formed of a second ultraviolet curing resin covering the primary layer, wherein a Young's modulus of the primary layer is smal...