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Tetsuya Abe patents

Recent bibliographic sampling of Tetsuya Abe patents listed/published in the public domain by the USPTO (USPTO Patent Application #,Title):



08/27/15 - 20150242289 - Storage system and data management method
An efficient disaster recovery system is constructed at three data centers. A data center includes: a business server for executing an application in response to an input/output request; a storage system for providing a first storage area storing data in response to a request from the business server; and a...
Inventors: Tomohiko Suzuki, Keiichi Tezuka, Tetsuya Abe (Hitachi, Ltd.)

08/22/13 - 20130219136 - Storage apparatus and method for controlling storage apparatus involving snapshots
A drop in the access performance to a source volume is prevented by executing various control methods according to the snapshot usage method. A storage apparatus comprises one or more storage devices which provide storage areas; and a controller which creates a logical volume in the storage area provided by...
Inventors: Yasuaki Nakamura, Tomohiko Suzuki, Tetsuya Abe, Akemi Sanada (Hitachi Ltd.)

03/28/13 - 20130080703 - Method for calculating tier relocation cost and storage system using the same
Conventionally, the fees for using services of a storage system was calculated based on the status of use or access performance of storage areas and not based on migration of data. The present invention provides a storage system in which multiple tiers composed of storage areas of various memory devices...
Inventors: Naoko Kumagai, Tsutomu Sukigara, Tetsuya Abe (Hitachi, Ltd.)

07/12/12 - 20120179937 - Storage system and control method thereof
Provided is a storage system, including: one or more disk drives storing data; a disk controller for controlling data access to the disk drive; a power supply controller for autonomously turning off a power source of the disk drive according to the data access status to the disk drive, and...
Inventors: Kenji Ishii, Akira Murotani, Tetsuya Abe (Hitachi, Ltd.)

12/01/11 - 20110296130 - Storage system and method of taking over logical unit in storage system
A storage apparatus includes a drive unit in which a logical unit is formed, and a controller unit for accessing the logical unit by controlling the drive unit according to an access request sent from a host apparatus. The storage apparatus issues a logical unit takeover request to the other...
Inventors: Tetsuya Abe, Tetsuya Shirogane

11/17/11 - 20110283062 - Storage apparatus and data retaining method for storage apparatus
If any of a plurality of host systems issues a request to write duplicate data as objective data which is identical to already stored data, a processor for a disk controller controls a data transfer control unit so that part of the duplicate data will be kept in accordance with...
Inventors: Naoko Kumagai, Tetsuya Abe, Azuma Kano (Hitachi, Ltd.)

11/05/09 - 20090276423 - File management apparatus and method, and storage system
The present invention provides a file management system and method, and a storage system that can prevent file-multiplexing in a storage apparatus, and efficiently use the storage capacity of the storage apparatus. The storage apparatus stores first management information for managing two or more kinds of classification list, each classification...
Inventors: Akira Murotani, Tetsuya Abe

09/24/09 - 20090240992 - Storage system and control method thereof
Provided is a storage system, including: one or more disk drives storing data; a disk controller for controlling data access to the disk drive; a power supply controller for autonomously turning off a power source of the disk drive according to the data access status to the disk drive, and...
Inventors: Kenji Ishii, Akira Murotani, Tetsuya Abe (Hitachi, Ltd.)

09/24/09 - 20090240898 - Storage system and method of taking over logical unit in storage system
A storage apparatus includes a drive unit in which a logical unit is formed, and a controller unit for accessing the logical unit by controlling the drive unit according to an access request sent from a host apparatus. The storage apparatus issues a logical unit takeover request to the other...
Inventors: Tetsuya Abe, Tetsuya Shirogane (Hitachi, Ltd.)

Hitachi, Ltd., Hitachi Ltd.

Archived*
(*May have duplicates - we are upgrading our archive.)

20110283062 - Storage apparatus and data retaining method for storage apparatus


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The bibliographic references displayed about Tetsuya Abe's patents are for a recent sample of Tetsuya Abe's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Tetsuya Abe filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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