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. 11, 2012
Filed:
Jul. 13, 2006
Hiroshi Nishiwaki, Tokorozawa, JP;
Eiji Muramatsu, Tokorozawa, JP;
Michikazu Horie, Tokyo, JP;
Kenjirou Kiyono, Tokyo, JP;
Hiroshi Nishiwaki, Tokorozawa, JP;
Eiji Muramatsu, Tokorozawa, JP;
Michikazu Horie, Tokyo, JP;
Kenjirou Kiyono, Tokyo, JP;
Pioneer Corporation, Tokyo, JP;
Mitsubishi Kagaku Media Co., Ltd., Tokyo, JP;
Abstract
An information recording medium () is provided with (i) a first information recording area wherein a first track for reproducing first information based on a first track pitch is formed by a laser beam, and (ii) a second information recording area wherein a second track for reproducing second information based on a second track pitch different from the first track pitch is formed by a laser beam. The groove shape of the first track is different from the groove shape of the second track.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile