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:
Sep. 04, 2012
Filed:
Mar. 28, 2007
Applicants:
Kazuo Kuroda, Yokohama, JP;
Eiji Muramatsu, Tokyo, JP;
Toshihiko Takishita, Kai, JP;
Inventors:
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An information recording medium comprising a substrate (), a recording layer () formed on the substrate in order to record information, a color filter () formed on the substrate, and a thermal reflectance variation layer () formed on the substrate in order to vary light reflectance by heat incident to irradiation of light and to reflect visible light entering from one side of the substrate through a color filter. High precision color writing or color label writing can be carried out on an information recording medium such as DVD and BD where a label can be written on the surface by irradiating light.