ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,613, issued on May 6, was assigned to Fujikura Ltd. (Tokyo).
"Optical cable and optical-cable manufacturing method" was invented by Hironori Sato (Sakura, Japan), Akira Namazue (Sakura, Japan) and Ken Osato (Sakura, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical cable includes optical fiber units each of which includes intermittently-coupled optical fiber ribbons. In at least one of the optical fiber units, in a cross section perpendicular to a longitudinal direction of the at least one of the optical fiber units, a length of a vector GU is shorter than a largest length of vectors MG of the intermittently-coupled optical fiber ribbo...