US Patent Issued to Furukawa Electric on Dec. 16 for "Optical fiber ribbon, ribbon cable and method for manufacturing optical fiber ribbon" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,531, issued on Dec. 16, was assigned to Furukawa Electric Co. Ltd. (Tokyo).

"Optical fiber ribbon, ribbon cable and method for manufacturing optical fiber ribbon" was invented by Kuniaki Ishizuki (Tokyo), Mitsuhiro Iwaya (Tokyo) and Minoru Kasahara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber ribbon includes a plurality of optical fibers and a ribbon layer covering the plurality of optical fibers. A Young's modulus of the ribbon layer is larger than or equal to 290 MPa and smaller than or equal to 1400 MPa. A static frictional coefficient between a plurality of the optical fiber ribbons is larger than or equal to 0.71 and s...