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:
Sep. 29, 2026

Filed:

Jun. 08, 2023
Applicant:

Fujikura Ltd., Tokyo, JP;

Inventors:

Shogo Shimizu, Sakura, JP;

Akira Namazue, Sakura, JP;

Ken Osato, Sakura, JP;

Assignee:

AFL Telecommunications LLC, Duncan, SC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4432 (2013.01); G02B 6/4403 (2013.01); G02B 6/4405 (2013.01); G02B 6/4404 (2013.01); G02B 6/441 (2013.01);
Abstract

An optical fiber cable includes: a sheath; and a core that is housed in the sheath and includes optical fibers. Recesses and protrusions are disposed alternately in a circumferential direction on an outer circumferential surface of the sheath. The optical fiber cable has a compressive strength of 12.8 N/mmor greater and 32.4 N/mmor less.


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