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:
Dec. 20, 2011

Filed:

Aug. 04, 2006
Applicants:

Shuichi Nagai, Kyoto, JP;

Hiroyuki Sakai, Kyoto, JP;

Inventors:

Shuichi Nagai, Kyoto, JP;

Hiroyuki Sakai, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

An antenna device according to this invention having: a transmission antenna which is the first antenna element formed on a surface of a substrate; and a receiving antenna which is the second antenna element formed on the surface of the substrate includes a photonic crystal structure between the transmission antenna which is the first antenna element and the receiving antenna which is the second antenna element.


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