ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,716, issued on Oct. 14, was assigned to NTT Inc. (Tokyo).
"Optical fiber test method and optical fiber test equipment" was invented by Tomokazu Oda (Musashino, Japan), Atsushi Nakamura (Musashino, Japan), Yusuke Koshikiya (Musashino, Japan) and Nazuki Honda (Musashino, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide an optical fiber test method and an optical fiber test device capable of acquiring a maximum loss of a higher-order mode at a connection point of an optical fiber transmission line through which a plurality of modes propagate.The optical fiber test device according to the present invention includes: a light s...