ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,489, issued on May 27, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).
"Optical fiber measurement system, optical fiber measurement method, control arithmetic device, and program" was invented by Tomokazu Oda (Musashino, Japan), Atsushi Nakamura (Musashino, Japan), Daisuke Iida (Musashino, Japan), Yusuke Koshikiya (Musashino, Japan) and Nazuki Honda (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical fiber measurement system is presented. The optical fiber measurement system includes a light incident circuit which makes a probe light incident on one end of an optical fiber and makes a secondary probe light and a...