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:
Mar. 16, 2010
Filed:
Aug. 15, 2007
Tetsujiro Kondo, Tokyo, JP;
Norifumi Yoshiwara, Tokyo, JP;
Tetsujiro Kondo, Tokyo, JP;
Norifumi Yoshiwara, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
An optical recording medium having a plural number of recording layers includes a n-th recording layer () (n≧1), made up by a substrate () and a semi-reflective layer () carried by the substrate () and adapted for partially reflecting and partially transmitting the incident light, a (n+1)th recording layer (), made up by another substrate () and a reflecting layer () carried by the substrate () and adapted for reflecting the incident light, and a light condensing layer () for condensing the light incident via the n-th recording layer () on the (n+1)th recording layer ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile