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:
Jul. 07, 2026

Filed:

Aug. 04, 2021
Applicant:

Ntt, Inc., Tokyo, JP;

Inventors:

Takashi Matsui, Musashino, JP;

Kazuhide Nakajima, Musashino, JP;

Nobutomo Hanzawa, Musashino, JP;

Yuto Sagae, Musashino, JP;

Assignee:

NTT, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02366 (2013.01);
Abstract

An object of the present disclosure is to provide an optical fiber having a simple structure, as well as attaining removal of loss components generated in an electric field part oozing out to a core-clad interface or a clad region and reduction in scattering loss generated from an interface with the clad region. The present disclosure relates to an optical fiber including a core for propagating light, a cladding disposed around the core, an air layer between the core and the cladding, and two or more bridges for supporting the core in the air layer.


Find Patent Forward Citations

Matsui, Takashi. (2026). Optical fiber (U.S. Patent No. 12674931). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12674931

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

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