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:
Oct. 05, 2010
Filed:
Apr. 30, 2002
Applicant:
Youji Kawamoto, Tokyo, JP;
Inventor:
Youji Kawamoto, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
The authentication capability of a portable terminal connected to a playback device is used to perform user authentication, thereby providing content with a sufficient reliability while only requiring a simple mechanism.
Kawamoto, Youji. (2010). Method and apparatus for providing information for decrypting content, and program executed on information processor (U.S. Patent No. 7809944). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7809944
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile