US Patent Issued to NTT on Nov. 18 for "Optical coupling device and optical coupling system" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,527, issued on Nov. 18, was assigned to NTT Inc. (Tokyo).

"Optical coupling device and optical coupling system" was invented by Tatsuya Fujimoto (Musashino, Japan), Hidenobu Hirota (Musashino, Japan), Takui Uematsu (Musashino, Japan), Tomohiro Kawano (Musashino, Japan), Hiroyuki Iida (Musashino, Japan), Ryo Koyama (Musashino, Japan), Tetsuya Manabe (Musashino, Japan) and Kazunori Katayama (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present disclosure is to provide an optical coupling device capable of controlling a coupling rate of optical coupling between two coupling optical fibers.An optical coupling device o...