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Inventor

Yusuke Hirakawa

Inventor
Odawara, JP

Overview

55→
Patents
2005–2015
Patent span
Physics
Primary field (CPC G)

Patents· 55 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing54%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests37%
H04LTransmission of digital information, e.g. telegraphic communication8%
C02FTreatment of water, waste water, sewage, or sludge1%
PatentTitleYear
9,058,305'Remote copy method and remote copy system'20158,943,025'Data replication among storage systems'20158,566,284'Data replication among storage systems'20138,495,319'Data processing system providing remote copy in a system having first, second and third storage systems and establishing first, second and third copy pairs'20138,397,041'Remote copy system'20138,375,000'Remote copy system'20138,332,361'Data processing system and storage subsystem provided in data processing system'20128,316,198'Data processing system'20128,250,240'Message conversion method and message conversion system'20128,239,344'Data replication among storage systems'20128,234,471'Remote copy method and remote copy system'20128,205,051'Data processing system'20128,176,010'Remote copy system'20128,170,996'Storage subsystem'20128,135,671'Data replication among storage systems'20128,131,963'Remote copy system'20128,074,036'Data processing system having first, second and third storage systems that are arranged to be changeable between a first status and a second status in response to a predetermined condition at the first storage system'20118,032,726'Remote copy system'20118,028,139'Remote copy method and remote copy system'20117,917,714'Data processing system'20117,870,093'Storage subsystem'20117,865,682'Remote copy system'20117,865,678'Remote copy system maintaining consistency'20117,724,599'Remote copy system'20107,725,445'Data replication among storage systems'20107,660,957'Data processing system'20107,640,411'Remote copy method and remote copy system'20097,634,626'Remote copy system'20097,590,809'Remote copy system'20097,529,901'Storage system and data processing system'20097,447,855'Data processing method providing remote copy in a system having first, second, and third storage systems'20087,437,389'Remote copy system'20087,421,435'Data processing system and storage subsystem provided in data processing system'20087,415,589'Data processing system with multiple storage systems'20087,395,265'Data processing system and storage subsystem provided in data processing system'20087,386,755'Backup copying and restoration processing in a storage subsystem'20087,360,046'Storage system and data management method'20087,343,451'Disk array device and remote copying control method for disk array device'20087,334,155'Remote copy system and remote copy method'20087,313,663'Storage system and data processing system'20077,296,126'Storage system and data processing system'20077,293,050'Remote copy system'20077,240,173'Data processing system'20077,197,615'Remote copy system maintaining consistency'20077,167,963'Storage system with multiple remote site copying capability'20077,159,088'Storage system and data processing system'20077,152,079'Data replication among storage systems'20067,143,254'Remote copy system'20067,130,976'Remote copy method and remote copy system to eliminate use of excess volume for copying data'20067,130,975'Data processing system'20067,117,327'Data processing system'20067,085,788'Remote copy system configured to receive both a write request including a write time and a write request not including a write time.'20067,076,621'Storage control apparatus and storage control method'20067,017,007'Disk array device and remote copying control method for disk array device'20066,922,762'Clustering storage system'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2015Patents assigned to HITACHI LTD (55)· patent assignee history
2005Based in Yokohama, JP· patent location history
2006–2015Based in Odawara, JP· patent location history
2007Based in Tokyo, JP· patent location history
2011–2015Patents assigned to HIRAKAWA YUSUKE (16)· patent assignee history
2011–2015Patents assigned to ASAKA YOSHIHIRO (10)· patent assignee history
2012–2015Patents assigned to ARAKAWA HIROSHI (11)· patent assignee history
2012–2013Patents assigned to NINOSE KENTA (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD552005–2015
HIRAKAWA YUSUKEself162011–2015
ARAKAWA HIROSHI112012–2015
ASAKA YOSHIHIRO102011–2015
NINOSE KENTA52012–2013
Locations
LocationPatentsSpan
Odawara, JP532006–2015
Tokyo, JP12007
Yokohama, JP12005