Inventor · disambiguated record
Tomokazu Yokoyama
Also filed as: YOKOYAMA TOMOKAZU
22 granted patents·3 pending applications·179 citations·filing 2003–2012
95Inventor score
Top patents by PatentIndex Score
25 records- 0193US7284140B2Disk array device and method of supplying power to disk array deviceHITACHI LTD·Filed 2006·Granted Oct 16, 2007·13 cites·19 claims
- 0292US7051216B2Disk array device and method of supplying power to disk array deviceHITACHI LTD·Filed 2003·Granted May 23, 2006·27 cites·16 claims
- 0386US7809983B2Storage system that finds occurrence of power source failureHITACHI LTD·Filed 2008·Granted Oct 5, 2010·13 cites·14 claims
- 0485US7681061B2Disk array device and method of supplying power to disk array deviceHITACHI LTD·Filed 2007·Granted Mar 16, 2010·11 cites·19 claims
- 0581US8312325B2Storage system that finds occurrence of power source failureSUZUKI HIROSHI·Filed 2011·Granted Nov 13, 2012·5 cites·20 claims
- 0680US8037362B2Storage system that finds occurrence of power source failureHITACHI LTD·Filed 2010·Granted Oct 11, 2011·5 cites·18 claims
- 0780US7612467B2Power device and power device power supply methodHITACHI LTD·Filed 2006·Granted Nov 3, 2009·9 cites·5 claims
- 0880US7571356B2Storage control device, and error information management method for storage control deviceHITACHI LTD·Filed 2006·Granted Aug 4, 2009·11 cites·17 claims
- 0980US7131014B2Disk array device and method of supplying power to disk array deviceHITACHI LTD·Filed 2005·Granted Oct 31, 2006·7 cites·19 claims
- 1079US7051233B2Method for backing up power supply of disk array device and system thereofHITACHI LTD·Filed 2003·Granted May 23, 2006·29 cites·19 claims
- 1176US7667918B2Disk array deviceHITACHI LTD·Filed 2005·Granted Feb 23, 2010·3 cites·8 claims
- 1276US7423354B2Storage systemHITACHI LTD·Filed 2004·Granted Sep 9, 2008·18 cites·13 claims
- 1371US7671485B2Storage systemHITACHI LTD·Filed 2007·Granted Mar 2, 2010·4 cites·13 claims
- 1468US7120736B2Storage unit and circuit for shaping communication signalHITACHI LTD·Filed 2003·Granted Oct 10, 2006·10 cites·11 claims
- 1565US7480765B2Storage unit and circuit for shaping communication signalHITACHI LTD·Filed 2006·Granted Jan 20, 2009·2 cites·33 claims
- 1664US8049365B2Power device and power device power supply methodHITACHI LTD·Filed 2009·Granted Nov 1, 2011·2 cites·6 claims
- 1758US7925930B2Storage control system and control method for storage control systemHITACHI LTD·Filed 2008·Granted Apr 12, 2011·1 cites·14 claims
- 1858US7047427B2Disk subsystemHITACHI LTD·Filed 2003·Granted May 16, 2006·6 cites·5 claims
- 1958US2007063587A1Storage systemSUZUKI HIROSHI·Filed 2006·Application pending·0 cites
- 2054US7685362B2Storage unit and circuit for shaping communication signalHITACHI LTD·Filed 2008·Granted Mar 23, 2010·0 cites·38 claims
- 2153US7096286B2Disk array device and method of changing the configuration of the disk array deviceHITACHI LTD·Filed 2004·Granted Aug 22, 2006·3 cites·6 claims
- 2245US7577775B2Storage system and configuration-change method thereofHITACHI LTD·Filed 2006·Granted Aug 18, 2009·0 cites·8 claims
- 2343US7111081B2Storage device having plural disk units and plural disk control units connected by control signal transmission cables that carry different control signalsHITACHI LTD·Filed 2004·Granted Sep 19, 2006·0 cites·6 claims
- 2443US2006176648A1Disk array deviceHITACHI LTD·Filed 2005·Application pending·0 cites
- 2534US2012236699A1Optical disc recording and reproducing semiconductor integrated circuit and operating method thereofYOKOYAMA TOMOKAZU·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →