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:
Apr. 24, 2012
Filed:
Jan. 21, 2011
Applicants:
Takashige Iwamura, Yokohama, JP;
Kazuhisa Fujimoto, Koganei, JP;
Yoshiaki Eguchi, Yokohama, JP;
Shunji Kawamura, Yokohama, JP;
Inventors:
Takashige Iwamura, Yokohama, JP;
Kazuhisa Fujimoto, Koganei, JP;
Yoshiaki Eguchi, Yokohama, JP;
Shunji Kawamura, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flash memory storage system has a plurality of flash memory devices comprising a plurality of flash memories, and a controller having an I/O processing control unit for accessing a flash memory device specified by a designated access destination in an I/O request received from an external device from among the plurality of flash memory devices. A parity group can be configured of flash memory devices having identical internal configuration.