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.:
Date of Patent:
Mar. 10, 2015
Filed:
Aug. 01, 2013
Applicants:
Takayuki Kikuchi, Yokohama, JP;
Ken Sotobayashi, Yokohama, JP;
Masayuki Mori, Yokohama, JP;
Inventors:
Assignee:
Toyo Seikan Kaisha Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/02 (2006.01); G06K 19/07 (2006.01); G06K 19/077 (2006.01); H01Q 1/22 (2006.01); H01Q 1/38 (2006.01); H01Q 15/00 (2006.01); H01Q 15/14 (2006.01);
U.S. Cl.
CPC ...
G06K 19/0723 (2013.01); G06K 19/07749 (2013.01); G06K 19/07771 (2013.01); H01Q 1/2225 (2013.01); H01Q 1/38 (2013.01); H01Q 15/00 (2013.01); H01Q 15/14 (2013.01);
Abstract
An RFID tag substrate on which an RFID tag that performs wireless communication with a reader/writer is disposed includes a substrate layer, and a functional layer laminated or stacked on the substrate layer. The functional layer includes a plurality of layers laminated together including a high-dielectric-constant layer having a predetermined dielectric constant, and a high-permeability layer having a predetermined permeability. A product of the predetermined dielectric constant and the predetermined permeability is not smaller than 250.