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:
Feb. 07, 2012
Filed:
Jun. 07, 2006
Applicants:
Kazuo Kuroda, Saitama, JP;
Eiji Muramatsu, Saitama, JP;
Akira Imamura, Saitama, 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 () is provided with at least a first recording layer (), which accepts a first laser beam having a first wavelength, can display a visible display pattern (pit art), and has a first pit formed thereon for reading information; and a second recording layer (), which accepts a second laser beam having a second wavelength and can record second information by forming a second pit.