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:
Jan. 02, 2007
Filed:
Nov. 28, 2002
Toshifumi Tanaka, Tokyo, JP;
Toshifumi Tanaka, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
A write-once or rewritable multilayer optical recording medium according to the present invention includes an Lrecording layer and an Lrecording layer, in which data recording areas for recording data are respectively formed, laminated on one surface of a base, wherein a read-in area for recording the data management information of all the data recorded in the respective data recording areas of the Lrecording layer and the Lrecording layer is formed only in the Lrecording layer. This means that the data management information of all the data can be read out quickly by simply accessing the Lrecording layer and the recording and reading of the data can be executed quickly and easily.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile