ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,104, issued on Nov. 11, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).
"Optical cable" was invented by Nayu Yanagawa (Osaka, Japan), Ryota Fukumoto (Osaka, Japan), Taro Fujita (Osaka, Japan), Fumiaki Sato (Osaka, Japan), Toyoaki Kimura (Osaka, Japan) and Yohei Suzuki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical cable according to an embodiment of the present disclosure is an optical cable for installation in a microduct, the optical cable including one or more optical-fiber core wires, and a sheath layer covering an outer peripheral side of the one or more optical-fiber core wires. The sheath layer has a...