US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on July 8 for "Evaluation method and evaluation device for multi-core fiber" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,652, issued on July 8, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Evaluation method and evaluation device for multi-core fiber" was invented by Nobutomo Hanzawa (Musashino, Japan), Takashi Matsui (Musashino, Japan), Yuto Sagae (Musashino, Japan) and Kazuhide Nakajima (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide an evaluation method and an evaluation device for easily determining whether or not a structural parameter of a multi-core fiber satisfies a desired connection loss value (a specification).The evaluation method according to the present invention includes a...