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. 03, 2020
Filed:
May. 06, 2016
Nippon Telegraph and Telephone Corporation, Chiyoda-ku, JP;
Naoto Kiribuchi, Musashino, JP;
Hiroyoshi Takiguchi, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Chiyoda-ku, JP;
Abstract
A database system comprises a determining partdetermining whether or not to conceal information to be registered in a database, a terminal devicethat, if the determining partdetermines that the information is to be concealed, generates N information fragments by secret-sharing the information and sends the N information fragments to a system management device, where N is a predetermined positive integer, the system management devicesending the N information fragments received from the terminal deviceto N different database devices, and N database deviceseach storing one of N information fragments received from the system management device