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:
Nov. 25, 2008
Filed:
Jun. 22, 2005
Tetsuya Kondo, Kanagawa-ken, JP;
Eiji Nakagawa, Kanagawa-ken, JP;
Hirofumi Nagano, Kanagawa-ken, JP;
Tetsuya Kondo, Kanagawa-ken, JP;
Eiji Nakagawa, Kanagawa-ken, JP;
Hirofumi Nagano, Kanagawa-ken, JP;
Victor Company of Japan, Limited, Yokohama, JP;
Abstract
In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though 0.27 or a numerical aperture of an address pit signal occupying in a reproduced signal in a non recording state is prescribed to be more than 0.3.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile