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. 03, 2015
Filed:
Apr. 17, 2012
Masayuki Kozuka, Osaka, JP;
Takahiro Yamaguchi, Osaka, JP;
Toshihisa Nakano, Osaka, JP;
Kaoru Murase, Nara, JP;
Motoji Ohmori, Osaka, JP;
Makoto Morise, Osaka, JP;
Masataka Minami, Hyogo, JP;
Masayuki Kozuka, Osaka, JP;
Takahiro Yamaguchi, Osaka, JP;
Toshihisa Nakano, Osaka, JP;
Kaoru Murase, Nara, JP;
Motoji Ohmori, Osaka, JP;
Makoto Morise, Osaka, JP;
Masataka Minami, Hyogo, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a revocation list generation device that can suppress an increase in the amount of data of a revocation list. A revocation list generation device that generates a revocation list includes an acquisition unit that acquires, for a content, a revocation identifier identifying a revoked public key certificate allocated to an apparatus related to use of the content, a revocation list generation unit that generates a revocation list including the acquired revocation identifier associated with the content, and an output unit that outputs the revocation list.