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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.

Patent No.:

US 5963700 B1

PDFFull Text
Date of Patent:
Oct. 05, 1999

Filed:

Feb. 25, 1998

Optical fiber

Applicant:
Inventors:

Masao Kato, Tokyo, JP;

Kenji Kurokawa, Tokyo, JP;

Tuneo Horiguchi, Tokyo, JP;

Yoshiaki Miyajima, Tokyo, JP;

Assignee:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Attorney:

Blakely Sokoloff Taylor & Zafman

Primary Examiner:

Phan Palmer

Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385127 ; 385124 ; 385126 ;
Abstract

An optical fiber includes a core, a first cladding, a second cladding, and a third cladding. The core has a refractive index n.sub.0. The first cladding is formed around the core and has a refractive index n.sub.1. The second cladding is formed around the first cladding and has a refractive index n.sub.2. The third cladding is formed around the second cladding and has a refractive index n.sub.3. The refractive indices have relationships n.sub.1 >n.sub.2 >n.sub.3 and n.sub.1 >n.sub.0.

Find Patent Forward Citations

Kato, Masao. (1999). Optical fiber (U.S. Patent No. 5963700). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5963700

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

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