ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,558, issued on Aug. 5, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Optical fiber ribbon and sub-tape-type optical fiber ribbon" was invented by Toshihisa Sato (Osaka, Japan) and Takashi Fujii (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intermittently coupled-type optical fiber ribbon includes a plurality of optical fibers arranged in parallel and intermittently coupling portions formed by coupling parts between the adjacent optical fibers with a resin. In the coupling portions, the resin is provided on one side surface and the other side surface of the optical fiber ribbon. When an average of maximum values ...