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:
Jun. 18, 2013
Filed:
Apr. 23, 2010
Tatsuya Sasahara, Minato-ku, JP;
Hideaki Takahashi, Minato-ku, JP;
Toru Furuta, Minato-ku, JP;
Kinya Saito, Kawasaki, JP;
Shinobu Sasaki, Kawasaki, JP;
Daisuke Tomii, Kawasaki, JP;
Tatsuya Sasahara, Minato-ku, JP;
Hideaki Takahashi, Minato-ku, JP;
Toru Furuta, Minato-ku, JP;
Kinya Saito, Kawasaki, JP;
Shinobu Sasaki, Kawasaki, JP;
Daisuke Tomii, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A storage apparatus includes a key control part to judge a validity of a data access from a request source based on authorization information received therefrom and authorization information created from an enciphering key included in enciphering key information received from a key management apparatus, and a control part to make the data access to the recording medium using the enciphering key in response to an access request from the request source, if the validity of the data access is confirmed. The authorization information from the request source includes a unique code created from the enciphering key if an authentication is successful in the key management apparatus in response to an authentication request from the request source.