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For the Inventor, By the Inventor

Odawara, Japan

Koji Iwamitsu

USPTO Granted Patents = 14 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 58(Granted Patents)


Location History:

  • Odawaru, JP (2014)
  • Odawara, JP (2006 - 2016)

Company Filing History:

goldMedal14 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 2006-2016

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14 patents (USPTO):
1. 9235353 - Storage apparatus and management method including determination of migration of data from one storage area to another based on access frequency (2016-01-12),
2. 8930745 - Storage subsystem and data management method of storage subsystem (2015-01-06),
3. 8918661 - Method and apparatus for assigning storage resources to a power saving target storage pool based on either access frequency or power consumption (2014-12-23),
4. 8918609 - Storage apparatus and data management method to determine whether to migrate data from a first storage device to a second storage device based on an access frequency of a particular logical area (2014-12-23),
5. 8812815 - Allocation of storage areas to a virtual volume (2014-08-19),
6. 8650358 - Storage system providing virtual volume and electrical power saving control method including moving data and changing allocations between real and virtual storage areas (2014-02-11),
7. 8521987 - Allocation and release of storage areas to virtual volumes (2013-08-27),
8. 8108562 - Storage subsystem and remote copy system using said subsystem (2012-01-31),
9. 7849260 - Storage controller and control method thereof (2010-12-07),
10. 7685342 - Storage control apparatus and method for controlling number of commands executed in storage control apparatus (2010-03-23),
11. 7603485 - Storage subsystem and remote copy system using said subsystem (2009-10-13),
12. 7437615 - Storage system and a method for diagnosing failure of the storage system (2008-10-14),
13. 7325117 - Storage system and storage control method (2008-01-29),
14. 7047450 - Storage system and a method for diagnosing failure of the storage system (2006-05-16),

Title: Koji Iwamitsu: Innovator in Storage Technology

Introduction

Koji Iwamitsu is a prominent inventor based in Odawara, Japan. He has made significant contributions to the field of storage technology, holding a total of 14 patents. His work focuses on improving data management and storage systems, which are crucial in today's data-driven world.

Latest Patents

One of his latest patents is a storage apparatus and management method that includes the determination of migration of data from one storage area to another based on access frequency. This innovative storage apparatus utilizes a hierarchical data management system. It is designed to decide whether to migrate data in a first storage area of a first storage device to a storage area of a second storage device based on the access frequency to the first logical area in synchronization with the read request. Another notable patent is a storage subsystem and data management method that addresses the issue of data loss during failures in storage devices. This invention divides a storage device into predetermined storage areas and constructs RAID groups to ensure data integrity even when failures occur.

Career Highlights

Koji Iwamitsu is currently employed at Hitachi, Ltd., where he continues to develop innovative solutions in storage technology. His work has been instrumental in enhancing the reliability and efficiency of data storage systems.

Collaborations

He collaborates with talented coworkers such as Daisuke Endo and Kousuke Komikado, contributing to a dynamic and innovative work environment.

Conclusion

Koji Iwamitsu's contributions to storage technology through his patents and work at Hitachi, Ltd. highlight his role as a key innovator in the field. His inventions are paving the way for more efficient and reliable data management solutions.

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