Inventor
Kyosuke Achiwa
Inventor
Odawara, JP
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing62%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
H04LTransmission of digital information, e.g. telegraphic communication13%
G11BInformation storage based on relative movement between record carrier and transducer6%
G11CStatic stores4%
PatentTitleYear
8,635,427'Data storage control on storage devices'20148,195,913'Data storage control on storage devices'20127,949,828'Data storage control on storage devices'20117,849,278'Logical partition conversion for migration between storage units'20107,716,419'Storage system and load balancing method thereof'20107,680,984'Storage system and control method for managing use of physical storage areas'20107,590,671'Storage system, file migration method and computer program product'20097,519,046'Access path management method and program'20097,475,131'Network topology display method, management server, and computer program product'20097,426,624'Storage management computer program product and grouping method for storage groups'20087,395,284'storage system'20087,395,388'Load balancing system and method'20087,370,099'Cluster computing system and its failover method'20087,305,533'Storage system'20077,290,100'Computer system for managing data transfer between storage sub-systems'20077,260,625'Data center system and method for controlling the same'20077,213,115'Storage system'20077,194,590'Three data center adaptive remote copy'20077,185,228'Method for controlling information processing system and information processing system'20077,143,252'Storage apparatus system and method of data backup'20067,114,049'Adaptive remote copy in a heterogeneous environment'20067,055,057'Coherency of non-committed replicate data after failover/failback'20067,047,261'Method for file level remote copy of a storage device'20067,047,256'Storage device system having bi-directional copy control function'20067,013,372'Method for controlling information processing system, information processing system and information processing program'20066,643,750'Storage apparatus system and method of data backup'20036,502,204'Library system storing removable storage media'20026,237,109'Library unit with spare media and it\'s computer system'20015,930,193'Memory system using a flash memory and method of controlling the memory system'19995,737,742'Memory system using flash memory and method of controlling the memory system'19985,613,088'Raid system including first and second read/write heads for each disk drive'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2014Patents assigned to HITACHI LTD (31)· patent assignee history
1997–2002Based in Hino, JP· patent location history
2003–2007Based in Tokyo, JP· patent location history
2006–2010Based in Odawara, JP· patent location history
2006Based in Yokohama, JP· patent location history
2008–2014Based in Yamato, JP· patent location history
2012–2014Patents assigned to ACHIWA KYOSUKE (2)· patent assignee history
2012–2014Patents assigned to KAKUI KENTARO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 31 | 1997–2014 |
| ACHIWA KYOSUKEself | 2 | 2012–2014 |
| KAKUI KENTARO | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odawara, JP | 14 | 2006–2010 |
| Yamato, JP | 8 | 2008–2014 |
| Hino, JP | 5 | 1997–2002 |
| Tokyo, JP | 3 | 2003–2007 |
| Yokohama, JP | 1 | 2006 |