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 8133404 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 13, 2012

Filed:

Mar. 13, 2008
Applicants:

Haruhiko Miyazawa, Tokyo, JP;

Haruyoshi Kakitani, Tokyo, JP;

Atsushi Toyota, Sagamihara, JP;

Inventors:

Haruhiko Miyazawa, Tokyo, JP;

Haruyoshi Kakitani, Tokyo, JP;

Atsushi Toyota, Sagamihara, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G21F 1/08 (2006.01); G21F 1/10 (2006.01); H05K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electromagnetic wave shielding material and a sheet using the same are described. Also described is a gel state electromagnetic wave shielding material including an ionic liquid, and fine particles capable of reflecting, suppressing or absorbing an electromagnetic wave suspended in the ionic liquid. The electromagnetic wave shielding material may provide both high electromagnetic interference shielding ability and flexibility when used in sheet form, and in some applications, may provide flame and heat resistance.


Find Patent Forward Citations

Miyazawa, Haruhiko. (2012). Electromagnetic wave shielding material and sheet (U.S. Patent No. 8133404). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8133404

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