Inventor · disambiguated record
Hitoshi Kamei
Also filed as: KAMEI HITOSHI
57 granted patents·12 pending applications·307 citations·filing 2005–2021
98Inventor score
Top patents by PatentIndex Score
69 records- 0198US8949557B2File management method and hierarchy management file systemHITACHI LTD·Filed 2013·Granted Feb 3, 2015·64 cites·20 claims
- 0292US9229860B2Storage systemHITACHI LTD·Filed 2014·Granted Jan 5, 2016·18 cites·15 claims
- 0391US8458299B2Metadata management method for NAS global namespace designLIN WUJUAN·Filed 2010·Granted Jun 4, 2013·25 cites·16 claims
- 0489US7546325B2Backup system, file server and backup methodHITACHI LTD·Filed 2006·Granted Jun 9, 2009·22 cites·5 claims
- 0588US8266176B2Storage system and file access determination method of the sameNAKAMURA TAKAKI·Filed 2010·Granted Sep 11, 2012·13 cites·12 claims
- 0688US8015157B2File sharing system, file server, and method for managing filesHITACHI LTD·Filed 2009·Granted Sep 6, 2011·20 cites·13 claims
- 0787US8370910B2File server for translating user identifierHITACHI LTD·Filed 2010·Granted Feb 5, 2013·9 cites·3 claims
- 0884US9116913B2File storage system and file cloning methodFUKATANI TAKAYUKI·Filed 2012·Granted Aug 25, 2015·9 cites·16 claims
- 0984US8909859B2Implementing large block random write hot spare SSD for SMR RAIDBANDIC ZVONIMIR Z·Filed 2012·Granted Dec 9, 2014·7 cites·20 claims
- 1082US9189168B2Data migration system and data migration methodHITACHI LTD·Filed 2012·Granted Nov 17, 2015·6 cites·12 claims
- 1181US11586471B2Computer system and control method for computer systemHITACHI LTD·Filed 2021·Granted Feb 21, 2023·1 cites·10 claims
- 1281US8554808B2File management sub-system and file migration control method in hierarchical file systemFUKATANI TAKAYUKI·Filed 2009·Granted Oct 8, 2013·12 cites·19 claims
- 1381US7761552B2Root node for integrating NAS of different user name spacesHITACHI LTD·Filed 2008·Granted Jul 20, 2010·9 cites·18 claims
- 1480US7624230B2Information processing apparatus, information processing method and storage system using cache to reduce dynamic switching of mapping between logical units and logical devicesHITACHI LTD·Filed 2006·Granted Nov 24, 2009·10 cites·20 claims
- 1579US8756199B2File level hierarchical storage management system, method, and apparatusSUTOH ATSUSHI·Filed 2010·Granted Jun 17, 2014·6 cites·16 claims
- 1678US9110909B2File level hierarchical storage management system, method, and apparatusHITACHI LTD·Filed 2014·Granted Aug 18, 2015·4 cites·16 claims
- 1778US8433674B2Method for clipping migration candidate file in hierarchical storage management systemTAKATA MASANORI·Filed 2009·Granted Apr 30, 2013·10 cites·20 claims
- 1875US8645645B2File management method and hierarchy management file systemKAMEI HITOSHI·Filed 2009·Granted Feb 4, 2014·6 cites·17 claims
- 1975US8171215B2File server, file management system and file management methodIKAWA HIROFUMI·Filed 2009·Granted May 1, 2012·8 cites·15 claims
- 2074US8880694B2Server system and control method for sameKAMEI HITOSHI·Filed 2008·Granted Nov 4, 2014·6 cites·2 claims
- 2172US9766824B2Storage device and computer systemHITACHI LTD·Filed 2013·Granted Sep 19, 2017·3 cites·3 claims
- 2271US8209498B2Method and system for transferring duplicate files in hierarchical storage management systemTAKATA MASANORI·Filed 2009·Granted Jun 26, 2012·5 cites·20 claims
- 2370US8281009B2Intermediate NAS apparatus having ACL inheritance function for namespace integrationKAMEI HITOSHI·Filed 2008·Granted Oct 2, 2012·4 cites·8 claims
- 2468US8392458B2Information apparatus and method of controlling the sameFUKATANI TAKAYUKI·Filed 2011·Granted Mar 5, 2013·2 cites·10 claims
- 2567US9009204B2Storage systemHITACHI LTD·Filed 2013·Granted Apr 14, 2015·2 cites·6 claims
- 2667US7653935B2File server for translating user identifierHITACHI LTD·Filed 2005·Granted Jan 26, 2010·3 cites·3 claims
- 2766US8862558B2Single instantiation method using file clone and file storage system utilizing the sameESAKA TOMONORI·Filed 2012·Granted Oct 14, 2014·2 cites·13 claims
- 2866US8615628B2File server, file management system and file management methodIKAWA HIROFUMI·Filed 2012·Granted Dec 24, 2013·2 cites·6 claims
- 2966US8065305B2File server, file management system and file relocation methodMORIWAKE SHINICHI·Filed 2009·Granted Nov 22, 2011·4 cites·18 claims
- 3065US8260811B2Access controller that controls access to files by using access control listURANO AKIHIRO·Filed 2008·Granted Sep 4, 2012·3 cites·17 claims
- 3164US7587506B2Computer system and data backup method in computer systemHITACHI LTD·Filed 2005·Granted Sep 8, 2009·3 cites·20 claims
- 3263US10805394B2File server apparatus having shared file system with file and directory operation processingHITACHI LTD·Filed 2015·Granted Oct 13, 2020·1 cites·12 claims
- 3363US9092153B2Method for creating clone file, and file system adopting the sameKAMEI HITOSHI·Filed 2011·Granted Jul 28, 2015·1 cites·12 claims
- 3463US8316065B2Data migration system and data migration methodNEMOTO JUN·Filed 2009·Granted Nov 20, 2012·2 cites·15 claims
- 3562US8046391B2Storage apparatus and its file control method and storage systemHITACHI LTD·Filed 2009·Granted Oct 25, 2011·2 cites·13 claims
- 3660US10086398B2Application deviceSHINMAYWA IND LTD·Filed 2015·Granted Oct 2, 2018·1 cites·6 claims
- 3760US8725675B2File server, file management system and file relocation methodMORIWAKE SHINICHI·Filed 2011·Granted May 13, 2014·1 cites·9 claims
- 3860US8326811B2File management method and computer systemKAMEI HITOSHI·Filed 2010·Granted Dec 4, 2012·1 cites·14 claims
- 3954US8225066B2Storage system and utilization management method for storage systemMINE HIROSHI·Filed 2009·Granted Jul 17, 2012·0 cites·15 claims
- 4053US9684669B2Single instantiation method using file clone and file storage system utilizing the sameHITACHI LTD·Filed 2014·Granted Jun 20, 2017·0 cites·14 claims
- 4150US9201884B2Computer system for backing up dataHITACHI LTD·Filed 2012·Granted Dec 1, 2015·0 cites·18 claims
- 4250US8612715B2Storage system and utilization management method for storage systemMINE HIROSHI·Filed 2012·Granted Dec 17, 2013·0 cites·18 claims
- 4350US2010299306A1Storage system having file change notification interfaceHITACHI LTD·Filed 2009·Application pending·0 cites
- 4449US10649691B2Storage systemHITACHI LTD·Filed 2014·Granted May 12, 2020·0 cites·11 claims
- 4549US9558205B2Method for creating clone file, and file system adopting the sameHITACHI LTD·Filed 2015·Granted Jan 31, 2017·0 cites·18 claims
- 4649US8543602B2Access controller that controls access to files by using access control listURANO AKIHIRO·Filed 2012·Granted Sep 24, 2013·0 cites·16 claims
- 4749US2011035409A1Hierarchical storage system and copy control method of file for hierarchical storage systemHITACHI LTD·Filed 2009·Application pending·0 cites
- 4848US10191934B2De-duplication system and method thereofHITACHI LTD·Filed 2013·Granted Jan 29, 2019·0 cites·14 claims
- 4948US9569311B2Computer system for backing up dataHITACHI LTD·Filed 2015·Granted Feb 14, 2017·0 cites·18 claims
- 5047US9436559B2Storage apparatus and method for controlling cache of storage apparatusHITACHI LTD·Filed 2014·Granted Sep 6, 2016·0 cites·13 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →