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Inventor

Kiyohiro Obara

Inventor
Hachioji, JP

Overview

27→
Patents
1998–2019
Patent span
Physics
Primary field (CPC G)

Patents· 27 as inventor

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

G06Fprimary
G06FElectric digital data processing57%
H04LTransmission of digital information, e.g. telegraphic communication14%
G01CMeasuring distances, levels or bearings11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
G08GTraffic control systems3%
G09BEducational or demonstration appliances3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
10,403,172Information processing apparatus20199,470,533'Map distribution server for automotive navigation systems, map data distribution system, and road difference data production method'20169,098,591'Spatio-temporal data management system, spatio-temporal data management method, and machine-readable storage medium thereof'20159,086,290'Map data distribution server, map data distribution system, and map data distribution method'20158,700,554'Using a degree-of-unexpectedness to provide unexpected recommendations'20148,478,759'Information presentation apparatus and mobile terminal'20138,131,675'Map data delivering device, communication terminal, and map delivering method'20128,046,368'Document retrieval system and document retrieval method'20117,353,240'Method and storage system that enable sharing files among multiple servers'20087,293,147'Storage system controlling exclusion/priority for I/O access'20077,155,492'Method and system for caching network data'20067,130,954'Data migration method, protocol converter and switching apparatus using it'20067,117,228'Method for transforming data formats between different database systems, an apparatus for executing the method and the program of the method'20066,966,001'Computing system and data decryption method and computer system with remote copy facility'20056,910,101'Storage subsystem with management site changing function'20056,895,417'Database duplication method of using remote copy and database duplication storage subsystem thereof'20056,820,168'Storage system and virtual private volume control method'20046,772,365'Data backup method of using storage area network'20046,748,487'Disk cache control method, disk array system, and storage system'20046,708,232'Data migration method, protocol converter and switching apparatus using it'20046,640,281'Storage subsystem with management site changing function'20036,625,691'Storage subsystem with management site changing function'20036,549,920'Data base duplication method of using remote copy and database duplication storage subsystem thereof'20036,535,954'Storage subsystem with management site changing function'20036,378,039'Storage subsystem which balances loads across a plurality of disk controllers'20026,115,787'Disc storage system having cache memory which stores compressed data'20005,758,053'Fault handling and recovery for system having plural processors'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2016Patents assigned to HITACHI LTD (24)· patent assignee history
1998Based in Kokubunji, JP· patent location history
2000Based in Odawara, JP· patent location history
2002–2015Based in Hachioji, JP· patent location history
2012–2015Patents assigned to OBARA KIYOHIRO (4)· patent assignee history
2013–2014Patents assigned to AKIYAMA TAKAYUKI (2)· patent assignee history
2013–2014Patents assigned to HITACHI SOLUTIONS LTD (2)· patent assignee history
2013–2014Patents assigned to TANIZAKI MASAAKI (2)· patent assignee history
2016–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD241998–2016
OBARA KIYOHIROself42012–2015
AKIYAMA TAKAYUKI22013–2014
HITACHI SOLUTIONS LTD22013–2014
TANIZAKI MASAAKI22013–2014
Locations
LocationPatentsSpan
Hachioji, JP232002–2015
Tokyo, JP22016–2019
Odawara, JP12000
Kokubunji, JP11998