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:
Dec. 29, 2009
Filed:
Aug. 24, 2006
Applicants:
Yuichi Iwakata, Warabi, JP;
Chisato Iino, Koshigaya, JP;
Takehiko Nishikawa, Saitama, JP;
Inventors:
Assignee:
Lintec Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An IC tag has a layer of heat sensitive color developing material (I), a layer of material absorbing light and converting absorbed light into heat (II) and a protective layer (III) laminated on the surface of the support successively from the surface, or (II), (I) and (III) laminated on the surface of the support successively from the surface. This structure permits recording and erasing invisible information and recording and erasing visible information, both allowing recording and erasing information in a non-contact manner. The structure is flexible and can have a small size.