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. 02, 2008

Filed:

Jun. 18, 2004
Applicants:

Takeshi Honjo, Chiba, JP;

Satoru Shiobara, Chiba, JP;

Tsuyoshi Shimomichi, Chiba, JP;

Keiji Ohashi, Chiba, JP;

Inventors:

Takeshi Honjo, Chiba, JP;

Satoru Shiobara, Chiba, JP;

Tsuyoshi Shimomichi, Chiba, JP;

Keiji Ohashi, Chiba, JP;

Assignee:

Fujikura Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical fiber cable that sustains reduced increase in transmission loss and optical fiber breakage when subject to external pressure exerted thereon, comprises an aggregate of elements including central buffer filaments disposed in the center part of the optical fiber cable and a plurality of optical fibers disposed around the central buffer filaments, as well as circumferential strength filaments disposed around the outer periphery of the aggregate of elements, and a sheath covering the circumferential strength filaments.


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