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. 24, 2025
Filed:
Mar. 09, 2023
Hitachi, Ltd., Tokyo, JP;
Naoto Yanagi, Tokyo, JP;
Shinichiro Seki, Tokyo, JP;
Masakuni Agetsuma, Tokyo, JP;
Go Uehara, Tokyo, JP;
Hitachi Vantara, Ltd., Kanagawa-ken, JP;
Abstract
To provide a data sharing system and a data sharing method that make it easy to suppress the disclosure of data whose disclosure is restricted according to the location where the data exists, in accordance with the provision of the disclosure restriction. A data sharing system comprising a storage node having virtual volumes accessed by a readout device, the data sharing system comprising: the storage node comprises: an access setting unit configured to restrict a target readout device from reading data from a target virtual volume in accordance with information on a location of the target readout device accessing the data sharing system and information on a location of the target virtual volume from which the target readout device attempts to read data.