The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 03, 2015

Filed:

May. 02, 2013
Applicants:

Fujikura Ltd., Tokyo, JP;

National University Corporation Hokkaido University, Sapporo-shi, Hokkaido, JP;

Inventors:

Shoichiro Matsuo, Sakura, JP;

Katsuhiro Takenaga, Sakura, JP;

Kunimasa Saitoh, Sapporo, JP;

Masanori Koshiba, Sapporo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); G02B 6/036 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02042 (2013.01); G02B 6/0365 (2013.01);
Abstract

A multicore fiber includes a plurality of core elements; and a clad surrounding an outer periphery surface of each of the core elements, and each of the core elements includes a core, a first clad surrounding the outer periphery surface of the core and a second clad surrounding an outer periphery surface of the first clad, and when a refractive index of the core is n, a refractive index of the first clad is n, a refractive index of the second clad is nand a refractive index of the clad is n, all of n>n>n, n>nand n<nare satisfied.


Find Patent Forward Citations

Matsuo, Shoichiro. (2015). Multicore fiber (U.S. Patent No. 8971685). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8971685

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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