Inventor · disambiguated record
Kenichi Takamoto
Also filed as: TAKAMOTO KENICHI
67 granted patents·2 pending applications·2,199 citations·filing 1994–2012
99Inventor score
Top patents by PatentIndex Score
69 records- 0198US6523096B2Apparatus for and method of accessing a storage region across a networkHITACHI LTD·Filed 2001·Granted Feb 18, 2003·173 cites·19 claims
- 0297US6484245B1Apparatus for and method of accessing a storage region across a networkHITACHI LTD·Filed 1998·Granted Nov 19, 2002·215 cites·24 claims
- 0396US6877073B2Fiber channel connection storage controllerHITACHI LTD·Filed 2004·Granted Apr 5, 2005·85 cites·12 claims
- 0496US6742090B2Fiber channel connection storage controllerHITACHI LTD·Filed 2001·Granted May 25, 2004·90 cites·16 claims
- 0596US6728844B2Method for preventing unauthorized access to storage volumesHITACHI LTD·Filed 2001·Granted Apr 27, 2004·81 cites·4 claims
- 0696US6507896B2Protocol for use in accessing a storage region across a networkHITACHI LTD·Filed 2001·Granted Jan 14, 2003·94 cites·10 claims
- 0795US6851020B2Storage subsystem that connects fiber channel and supports online backupHITACHI LTD·Filed 2001·Granted Feb 1, 2005·122 cites·57 claims
- 0895US6606695B2Method and apparatus for controlling access to storage deviceHITACHI LTD·Filed 2001·Granted Aug 12, 2003·99 cites·6 claims
- 0994US7558056B2Disk array deviceHITACHI LTD·Filed 2008·Granted Jul 7, 2009·15 cites·16 claims
- 1094US7222194B2Backup systemHITACHI LTD·Filed 2002·Granted May 22, 2007·95 cites·10 claims
- 1194US6535964B2Fiber channel connection storage controllerHITACHI LTD·Filed 2002·Granted Mar 18, 2003·62 cites·17 claims
- 1293US8275950B2Fiber channel connection storage controllerSANADA AKEMI·Filed 2011·Granted Sep 25, 2012·16 cites·50 claims
- 1393US7352571B2Disk array deviceHITACHI LTD·Filed 2006·Granted Apr 1, 2008·16 cites·28 claims
- 1493US6609180B2Fiber channel connection storage controllerHITACHI LTD·Filed 2001·Granted Aug 19, 2003·56 cites·24 claims
- 1592US6583947B1Disk array unitHITACHI LTD·Filed 1999·Granted Jun 24, 2003·121 cites·27 claims
- 1691US6772287B2Storage control unit and storage systemHITACHI LTD·Filed 2002·Granted Aug 3, 2004·53 cites·4 claims
- 1790US6826005B2Disk array unitHITACHI LTD·Filed 2003·Granted Nov 30, 2004·40 cites·36 claims
- 1889US7120016B2Disk array deviceHITACHI LTD·Filed 2005·Granted Oct 10, 2006·7 cites·20 claims
- 1986US6968434B2Method and apparatus for controlling access to storage deviceHITACHI LTD·Filed 2003·Granted Nov 22, 2005·32 cites·25 claims
- 2086US6950920B1Dual controller system for dynamically allocating control of disk unitsHITACHI LTD·Filed 2005·Granted Sep 27, 2005·13 cites·9 claims
- 2186US6880059B2Dual controller system for dynamically allocating control of disksHITACHI LTD·Filed 2002·Granted Apr 12, 2005·34 cites·21 claims
- 2285US6931567B2Storage systemHITACHI LTD·Filed 2001·Granted Aug 16, 2005·40 cites·13 claims
- 2385US6795934B2Storage subsystem and information processing systemHITACHI LTD·Filed 2001·Granted Sep 21, 2004·31 cites·25 claims
- 2485US6480934B1Storage control unit and method for handling data storage system using thereofHITACHI LTD·Filed 1999·Granted Nov 12, 2002·107 cites·12 claims
- 2584US7464291B2Storage subsystem and information processing systemHITACHI LTD·Filed 2007·Granted Dec 9, 2008·10 cites·20 claims
- 2684US7216148B2Storage system having a plurality of controllersHITACHI LTD·Filed 2001·Granted May 8, 2007·34 cites·7 claims
- 2783US7876557B2Disk array deviceHITACHI LTD·Filed 2009·Granted Jan 25, 2011·3 cites·17 claims
- 2883US7355806B2Disk array unitHITACHI LTD·Filed 2005·Granted Apr 8, 2008·7 cites·35 claims
- 2983US7072986B2System and method for displaying storage system topologyHITACHI LTD·Filed 2002·Granted Jul 4, 2006·39 cites·3 claims
- 3080US6950304B2Disk array deviceHITACHI LTD·Filed 2003·Granted Sep 27, 2005·10 cites·25 claims
- 3179US7554758B2Disk array unitHITACHI LTD·Filed 2006·Granted Jun 30, 2009·5 cites·20 claims
- 3279US7386552B2Methods of migrating data between storage apparatusesHITACHI LTD·Filed 2002·Granted Jun 10, 2008·39 cites·30 claims
- 3378US7831687B2Storage system managing data through a wide area networkHITACHI LTD·Filed 2008·Granted Nov 9, 2010·6 cites·3 claims
- 3478US6959344B2Method and apparatus for storage systemHITACHI LTD·Filed 2002·Granted Oct 25, 2005·25 cites·18 claims
- 3577US8929018B2Disk array unitHAKAMATA KAZUO·Filed 2012·Granted Jan 6, 2015·2 cites·31 claims
- 3676US7383380B2Array-type disk apparatus preventing lost data and providing improved failure toleranceHITACHI LTD·Filed 2004·Granted Jun 3, 2008·17 cites·22 claims
- 3776US7130978B2Method and apparatus for controlling access to storage deviceHITACHI LTD·Filed 2004·Granted Oct 31, 2006·16 cites·42 claims
- 3876US6763438B2Load balancing storage systemHITACHI LTD·Filed 2001·Granted Jul 13, 2004·22 cites·10 claims
- 3975US7409508B2Disk array system capable of taking over volumes between controllersHITACHI LTD·Filed 2005·Granted Aug 5, 2008·5 cites·7 claims
- 4074US7757042B2Array-type disk apparatus preventing lost data and providing improved failure toleranceHITACHI LTD·Filed 2005·Granted Jul 13, 2010·5 cites·16 claims
- 4174US5606529ASemiconductor disk storageHITACHI LTD·Filed 1996·Granted Feb 25, 1997·72 cites·7 claims
- 4273US6889286B2Storage control unit and method for handling data storage system using thereofHITACHI LTD·Filed 2002·Granted May 3, 2005·17 cites·20 claims
- 4372US7913039B2Array-type disk apparatus preventing data lost and providing improved failure toleranceHITACHI LTD·Filed 2010·Granted Mar 22, 2011·2 cites·16 claims
- 4472US7353406B2Disk array optimizing the drive operation timeHITACHI LTD·Filed 2004·Granted Apr 1, 2008·17 cites·12 claims
- 4572US7246262B2Storage subsystem and information processing systemHITACHI LTD·Filed 2004·Granted Jul 17, 2007·13 cites·18 claims
- 4671US6947240B2Disk array unitHITACHI LTD·Filed 2003·Granted Sep 20, 2005·9 cites·34 claims
- 4770US7606984B2Fiber channel connection storage controllerHITACHI LTD·Filed 2005·Granted Oct 20, 2009·2 cites·36 claims
- 4869US7441029B2Storage system managing data through a wide area networkHITACHI LTD·Filed 2002·Granted Oct 21, 2008·11 cites·12 claims
- 4968US6408358B1Storage control unit and storage systemHITACHI LTD·Filed 1999·Granted Jun 18, 2002·40 cites·11 claims
- 5067US6993625B2Load balancing storage systemHITACHI LTD·Filed 2003·Granted Jan 31, 2006·12 cites·27 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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