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:
Dec. 30, 2014
Filed:
Mar. 09, 2010
Kazuaki Nimura, Kawasaki, JP;
Yousuke Nakamura, Kawasaki, JP;
Fumio Honda, Kawasaki, JP;
Isamu Yamada, Kawasaki, JP;
Kazuaki Nimura, Kawasaki, JP;
Yousuke Nakamura, Kawasaki, JP;
Fumio Honda, Kawasaki, JP;
Isamu Yamada, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An information processing device and method include storing encrypted content, storing a key for decrypting the encrypted content stored, decrypting the encrypted content stored using the key, storing a deletion table storing information indicating whether or not the key stored is to be deleted when a transition from an operating state to one of other states is made, the information corresponding to the other states, and checking the information in the deletion table corresponding to the one of the other states and deleting the key when the information indicates that the key is to be deleted.