Inventor · disambiguated record
Kiyohiro Obara
Also filed as: OBARA KIYOHIRO
29 granted patents·1 pending application·891 citations·filing 1994–2022
97Inventor score
Files withHITACHI LTD22AKIYAMA TAKAYUKI2HITACHI AUTOMOTIVE SYSTEMS LTD2OBARA KIYOHIRO2HITACHI ASTEMO LTD1
Top patents by PatentIndex Score
30 records- 0197US6708232B2Data migration method, protocol converter and switching apparatus using itHITACHI LTD·Filed 2001·Granted Mar 16, 2004·197 cites·18 claims
- 0296US6378039B1Storage subsystem which balances loads across a plurality of disk controllersHITACHI LTD·Filed 2000·Granted Apr 23, 2002·98 cites·2 claims
- 0392US6820168B2Storage system and virtual private volume control methodHITACHI LTD·Filed 2001·Granted Nov 16, 2004·74 cites·19 claims
- 0489US6772365B1Data backup method of using storage area networkHITACHI LTD·Filed 2000·Granted Aug 3, 2004·64 cites·29 claims
- 0586US6625691B2Storage subsystem with management site changing functionHITACHI LTD·Filed 2002·Granted Sep 23, 2003·29 cites·6 claims
- 0684US6640281B2Storage subsystem with management site changing functionHITACHI LTD·Filed 2002·Granted Oct 28, 2003·27 cites·2 claims
- 0783US6115787ADisc storage system having cache memory which stores compressed dataHITACHI LTD·Filed 1997·Granted Sep 5, 2000·111 cites·13 claims
- 0882US6966001B2Computing system and data decryption method and computer system with remote copy facilityHITACHI LTD·Filed 2001·Granted Nov 15, 2005·36 cites·15 claims
- 0978US6549920B1Data base duplication method of using remote copy and database duplication storage subsystem thereofHITACHI LTD·Filed 2000·Granted Apr 15, 2003·22 cites·9 claims
- 1075US6748487B1Disk cache control method, disk array system, and storage systemHITACHI LTD·Filed 1998·Granted Jun 8, 2004·72 cites·37 claims
- 1173US10403172B2Information processing apparatusHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Sep 3, 2019·2 cites·10 claims
- 1272US8478759B2Information presentation apparatus and mobile terminalAKIYAMA TAKAYUKI·Filed 2010·Granted Jul 2, 2013·4 cites·14 claims
- 1369US7155492B2Method and system for caching network dataHITACHI LTD·Filed 2002·Granted Dec 26, 2006·18 cites·14 claims
- 1469US7117228B2Method for transforming data formats between different database systems, an apparatus for executing the method and the program of the methodHITACHI LTD·Filed 2001·Granted Oct 3, 2006·16 cites·15 claims
- 1569US6895417B2Database duplication method of using remote copy and database duplication storage subsystem thereofHITACHI LTD·Filed 2003·Granted May 17, 2005·12 cites·9 claims
- 1666US7130954B2Data migration method, protocol converter and switching apparatus using itHITACHI LTD·Filed 2004·Granted Oct 31, 2006·10 cites·15 claims
- 1765US8046368B2Document retrieval system and document retrieval methodHITACHI LTD·Filed 2008·Granted Oct 25, 2011·5 cites·13 claims
- 1865US6910101B2Storage subsystem with management site changing functionHITACHI LTD·Filed 2003·Granted Jun 21, 2005·7 cites·5 claims
- 1963US11801856B2Electronic control device and selection methodHITACHI ASTEMO LTD·Filed 2020·Granted Oct 31, 2023·0 cites·7 claims
- 2063US6535954B2Storage subsystem with management site changing functionHITACHI LTD·Filed 1999·Granted Mar 18, 2003·27 cites·8 claims
- 2160US7293147B2Storage system controlling exclusion/priority for I/O accessHITACHI LTD·Filed 2004·Granted Nov 6, 2007·6 cites·5 claims
- 2259US9470533B2Map distribution server for automotive navigation systems, map data distribution system, and road difference data production methodHITACHI LTD·Filed 2013·Granted Oct 18, 2016·1 cites·15 claims
- 2358US8131675B2Map data delivering device, communication terminal, and map delivering methodOBARA KIYOHIRO·Filed 2008·Granted Mar 6, 2012·3 cites·10 claims
- 2453US2022383616A1Information processing apparatus and image processing methodHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 2552US5758053AFault handling and recovery for system having plural processorsHITACHI LTD·Filed 1994·Granted May 26, 1998·25 cites·24 claims
- 2650US9086290B2Map data distribution server, map data distribution system, and map data distribution methodOBARA KIYOHIRO·Filed 2012·Granted Jul 21, 2015·1 cites·11 claims
- 2750US7353240B1Method and storage system that enable sharing files among multiple serversHITACHI LTD·Filed 1999·Granted Apr 1, 2008·24 cites·14 claims
- 2848US11753020B2Update system and electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Sep 12, 2023·0 cites·7 claims
- 2947US9098591B2Spatio-temporal data management system, spatio-temporal data management method, and machine-readable storage medium thereofHITACHI LTD·Filed 2013·Granted Aug 4, 2015·0 cites·13 claims
- 3042US8700554B2Using a degree-of-unexpectedness to provide unexpected recommendationsAKIYAMA TAKAYUKI·Filed 2011·Granted Apr 15, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →