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:
Mar. 21, 2017
Filed:
Nov. 09, 2012
Kengo Mori, Minato-ku, JP;
Satoshi Obana, Minato-ku, JP;
Jun Furukawa, Minato-ku, JP;
Isamu Teranishi, Minato-ku, JP;
Toshiyuki Isshiki, Minato-ku, JP;
Toshinori Araki, Minato-ku, JP;
Kengo Mori, Minato-ku, JP;
Satoshi Obana, Minato-ku, JP;
Jun Furukawa, Minato-ku, JP;
Isamu Teranishi, Minato-ku, JP;
Toshiyuki Isshiki, Minato-ku, JP;
Toshinori Araki, Minato-ku, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided a database apparatus comprising a control means to execute data access control on a database, wherein the control means, receiving a database operation command from a user apparatus, comprises, regarding data and/or metadata to be handled associated with the database operation command, means for executing database operation or computation on encrypted data and/or encrypted metadata as is in ciphertext and means for executing database operation or computation on plaintext data and/or plaintext metadata, and the control means sends a processing result to the user apparatus.