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:
Jan. 22, 2013

Filed:

Jan. 31, 2011
Applicants:

Ryuta Sonoda, Tokyo, JP;

Koji Ikawa, Tokyo, JP;

Kazuhiko Niwano, Tokyo, JP;

Kouji Koganezawa, Tokyo, JP;

Inventors:

Ryuta Sonoda, Tokyo, JP;

Koji Ikawa, Tokyo, JP;

Kazuhiko Niwano, Tokyo, JP;

Kouji Koganezawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An RFID tag has an antenna element including an antenna substrate equipped with an IC chip and a conductor pattern, an artificial medium, and a first insulation layer sandwiched between the antenna element and the artificial medium. The artificial medium has a single first conductive element placed on an upper surface of a dielectric layer and a single second conductive element placed on a lower surface of the dielectric layer.


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