US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on Sept. 1 for "Multi-core optical fiber and core identification method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,194, issued on Sept. 1, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Multi-core optical fiber and core identification method" was invented by Takahiro Suganuma (Osaka, Japan), Takemi Hasegawa (Osaka, Japan), Tetsuya Hayashi (Osaka, Japan) and Hirotaka Sakuma (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-core optical fiber includes a plurality of cores extending along a fiber axis, a cladding including the plurality of cores formed in the cladding, the cladding having rotational symmetry with respect to the fiber axis excluding a portion of the cladding where the plurality of cores are located, and a coati...