Inventor · disambiguated record
Takao Satoh
Also filed as: SATOH TAKAO · SEITA TORU
67 granted patents·7 pending applications·2,416 citations·filing 1975–2012
99Inventor score
Files withHITACHI LTD58TOYO SODA MFG CO LTD6ALPINE ELECTRONICS INC2IWAMURA TAKASHIGE2MITSUBISHI ELECTRIC CORP2
Top patents by PatentIndex Score
74 records- 0199US7069383B2Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2005·Granted Jun 27, 2006·325 cites·8 claims
- 0298US8898383B2Apparatus for reallocating logical to physical disk devices using a storage controller and method of the sameYAMAMOTO YASUTOMO·Filed 2011·Granted Nov 25, 2014·321 cites·14 claims
- 0398US7185152B2Storage system, method of controlling storage system, and storage deviceHITACHI LTD·Filed 2005·Granted Feb 27, 2007·89 cites·19 claims
- 0496US5956750AApparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 1997·Granted Sep 21, 1999·184 cites·9 claims
- 0594US7861034B2Load distribution of multiple disksHITACHI LTD·Filed 2007·Granted Dec 28, 2010·33 cites·4 claims
- 0691US7127445B2Data mapping management apparatusHITACHI LTD·Filed 2002·Granted Oct 24, 2006·73 cites·6 claims
- 0791US5979475ASpecimen holding method and fluid treatment method of specimen surface and systems thereforHITACHI LTD·Filed 1995·Granted Nov 9, 1999·134 cites·7 claims
- 0889US6446161B1Apparatus and method for reallocating logical to physical disk devices using a storage controller with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 1999·Granted Sep 3, 2002·91 cites·12 claims
- 0989US5568628AStorage control method and apparatus for highly reliable storage controller with multiple cache memoriesHITACHI LTD·Filed 1993·Granted Oct 22, 1996·74 cites·24 claims
- 1087US3982770ABicycle suspensionYAMAHA MOTOR CO LTD·Filed 1975·Granted Sep 28, 1976·56 cites·3 claims
- 1184US7287132B2Storage system, method of controlling storage system, and storage deviceHITACHI LTD·Filed 2006·Granted Oct 23, 2007·9 cites·42 claims
- 1284US6708252B2Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2002·Granted Mar 16, 2004·23 cites·5 claims
- 1384US5640600AStorage controller and bus control method for use therewithHITACHI LTD·Filed 1995·Granted Jun 17, 1997·116 cites·13 claims
- 1481US7623854B2Information addition system and mobile communication terminalALPINE ELECTRONICS INC·Filed 2006·Granted Nov 24, 2009·8 cites·34 claims
- 1579US7370228B2Data processing system and copy processing method thereofHITACHI LTD·Filed 2004·Granted May 6, 2008·24 cites·18 claims
- 1678US7032218B2Updating method of firmware of hard disk unit mounted on disk array device and disk array device with function for performing updating methodHITACHI LTD·Filed 2002·Granted Apr 18, 2006·35 cites·16 claims
- 1778US6728832B2Distribution of I/O requests across multiple disk unitsHITACHI LTD·Filed 2001·Granted Apr 27, 2004·19 cites·14 claims
- 1877US7225190B2Remote copying system with consistency guaranteed between a pairHITACHI LTD·Filed 2004·Granted May 29, 2007·18 cites·14 claims
- 1977US6842793B2Method and apparatus for verifying data in a storage systemHITACHI LTD·Filed 2003·Granted Jan 11, 2005·19 cites·30 claims
- 2077US6212671B1Mask pattern data producing apparatus, mask pattern data producing method and semiconductor integrated circuit deviceMITSUBISHI ELEC SYS LSI DESIGN·Filed 1998·Granted Apr 3, 2001·65 cites·13 claims
- 2175US6757782B2Disk array and method for reading/writing data from/into disk unitHITACHI LTD·Filed 2003·Granted Jun 29, 2004·13 cites·1 claims
- 2274US6615314B1Disk array and method for reading/writing data from/into disk unitHITACHI LTD·Filed 1999·Granted Sep 2, 2003·43 cites·12 claims
- 2373US7114044B2Storage system, method of controlling storage system, and storage deviceHITACHI LTD·Filed 2004·Granted Sep 26, 2006·11 cites·49 claims
- 2473US6948042B2Hierarchical storage apparatus and control apparatus thereofHITACHI LTD·Filed 2003·Granted Sep 20, 2005·18 cites·20 claims
- 2573US5613088ARaid system including first and second read/write heads for each disk driveHITACHI LTD·Filed 1994·Granted Mar 18, 1997·61 cites·33 claims
- 2671US7725611B2Method and apparatus for verifying data in a storage systemHITACHI LTD·Filed 2008·Granted May 25, 2010·4 cites·12 claims
- 2771US5835938ARead/write control for grouped disk storage including parallel accessHITACHI LTD·Filed 1997·Granted Nov 10, 1998·39 cites·6 claims
- 2870US7870423B2Data processing system and copy processing method thereofHITACHI LTD·Filed 2008·Granted Jan 11, 2011·4 cites·12 claims
- 2970US7594076B2Disk array apparatus, data migration method, and storage mediumHITACHI LTD·Filed 2006·Granted Sep 22, 2009·7 cites·13 claims
- 3068US7460664B2Handsfree system and incoming call answering method in handsfree systemALPINE ELECTRONICS INC·Filed 2005·Granted Dec 2, 2008·2 cites·13 claims
- 3168US7174439B2Hierarchical storage apparatus and control apparatus thereofHITACHI LTD·Filed 2005·Granted Feb 6, 2007·6 cites·9 claims
- 3268US5555389AStorage controller for performing dump processingHITACHI LTD·Filed 1994·Granted Sep 10, 1996·48 cites·24 claims
- 3367US6631443B1Disk storage system having capability for performing parallel read operationHITACHI LTD·Filed 2000·Granted Oct 7, 2003·8 cites·8 claims
- 3466US5680574AData distribution utilizing a master disk unit for fetching and for writing to remaining disk unitsHITACHI LTD·Filed 1994·Granted Oct 21, 1997·28 cites·47 claims
- 3566US5550975ADisk array controllerHITACHI LTD·Filed 1993·Granted Aug 27, 1996·41 cites·6 claims
- 3664US7577815B2Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2006·Granted Aug 18, 2009·1 cites·15 claims
- 3764US7293068B2Method and system for storing duplicate dataHITACHI LTD·Filed 2001·Granted Nov 6, 2007·10 cites·8 claims
- 3864US7254674B2Distribution of I/O requests across multiple disk unitsHITACHI LTD·Filed 2004·Granted Aug 7, 2007·7 cites·6 claims
- 3964US6915382B2Apparatus and method for reallocating logical to physical disk devices using a storage controller, with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2003·Granted Jul 5, 2005·5 cites·22 claims
- 4063US7206900B2Disk array and method for reading/writing data from/into disk unitHITACHI LTD·Filed 2004·Granted Apr 17, 2007·5 cites·14 claims
- 4161US6938125B2Storage system with data prefetch functionHITACHI LTD·Filed 2003·Granted Aug 30, 2005·4 cites·6 claims
- 4261US5664096ADisk array controller capable of preventing data distortion caused by an interruption of data write operationHITACHI LTD·Filed 1995·Granted Sep 2, 1997·36 cites·11 claims
- 4361US5564116AArray type storage unit systemHITACHI LTD·Filed 1994·Granted Oct 8, 1996·31 cites·6 claims
- 4460US7035975B2Disk array and method for reading/writing data from/into disk unitHITACHI LTD·Filed 2004·Granted Apr 25, 2006·4 cites·24 claims
- 4559US8161009B2Remote copying system with consistency guaranteed between a pairIWAMURA TAKASHIGE·Filed 2006·Granted Apr 17, 2012·1 cites·30 claims
- 4659US6954825B2Disk subsystemHITACHI LTD·Filed 2002·Granted Oct 11, 2005·6 cites·17 claims
- 4759US5475859ADisk cache unit having reduced waiting times for data transferHITACHI LTD·Filed 1994·Granted Dec 12, 1995·29 cites·5 claims
- 4858US8032733B2Apparatus and method for reallocating logical to physical disk devices using a storage controller with access frequency and sequential access ratio calculations and displayHITACHI LTD·Filed 2009·Granted Oct 4, 2011·0 cites·12 claims
- 4958US7120741B2Disk array and method for reading/writing data from/into disk unitHITACHI LTD·Filed 2004·Granted Oct 10, 2006·3 cites·24 claims
- 5058US5553307AMethod and device for transferring noncontiguous blocks in one transfer start by creating bit-map indicating which block is to be transferredHITACHI LTD·Filed 1993·Granted Sep 3, 1996·34 cites·30 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →