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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 4973129 B1

PDFFull Text
Date of Patent:
Nov. 27, 1990

Filed:

Aug. 29, 1989

Optical fiber element

Applicant:
Inventors:

Takashi Fukuzawa, Sagamihara, JP;

Yoshihiko Hayashi, Tokyo, JP;

Takashi Kishimoto, Tsukuba, JP;

Yoichi Furuse, Tokyo, JP;

Sadao Kuzuwa, Sagamihara, JP;

Assignee:

Nippon Sheet Glass Co., Ltd., Osaka, JP;

Attorney:

Dubno; Herbert

Primary Examiner:

Akm Ullah

Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350 9633 ; 350 9630 ;
Abstract

An optical fiber element includes a non-armored optical glass fiber element having a numerical aperture of 0.35 or more, and a resin layer obtaining by applying a resin composition to a surface of the non-armored optical glass fiber element in contact therewith and by curing the resin composition, the cured resin layer essentially consisting of the resin composition having a Shore D hardness value of 65 or more defined in the Japanese Industrial Standards (JIS) at room temperature.

Find Patent Forward Citations

Fukuzawa, Takashi. (1990). Optical fiber element (U.S. Patent No. 4973129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4973129

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

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