Inventor · disambiguated record
Masahiro Hamaogi
Also filed as: HAMAOGI MASAHIRO · KANOUDA AKIHIKO
14 granted patents·2 pending applications·291 citations·filing 2001–2013
94Inventor score
Files withHITACHI COMP PERIPHERALS CO9HITACHI LTD2HITACHI INFORMATION & TELECOMMUNICATION ENG LTD1RENESAS TECH CORP1TAKAHASHI FUMIKAZU1
Top patents by PatentIndex Score
16 records- 0197US7495415B2DC backup power supply systemHITACHI LTD·Filed 2005·Granted Feb 24, 2009·50 cites·22 claims
- 0296US7589436B2Data processing unit and DC backup power supplyHITACHI COMP PERIPHERALS CO·Filed 2005·Granted Sep 15, 2009·30 cites·10 claims
- 0387US7840840B2DC backup power supply system, a disk array and a DC backup power supplyHITACHI COMP PERIPHERALS CO·Filed 2008·Granted Nov 23, 2010·25 cites·19 claims
- 0487US7432617B2Uninterruptible power systemHITACHI LTD·Filed 2006·Granted Oct 7, 2008·22 cites·20 claims
- 0584US7812575B2Bidirectional DC-DC converter and power supply apparatus with the sameHITACHI COMP PERIPHERALS CO·Filed 2007·Granted Oct 12, 2010·22 cites·20 claims
- 0683US8564992B2Power factor correction device and method with off time prediction for critical mode operationTAKAHASHI FUMIKAZU·Filed 2010·Granted Oct 22, 2013·9 cites·6 claims
- 0779US7923980B2Digital controlled power supplyHITACHI COMP PERIPHERALS CO·Filed 2008·Granted Apr 12, 2011·15 cites·9 claims
- 0877US7705562B2Switching power supply unit and disk array systemHITACHI COMP PERIPHERALS CO·Filed 2006·Granted Apr 27, 2010·15 cites·12 claims
- 0975US7049711B2Uninterruptible power systemHITACHI COMP PERIPHERALS CO·Filed 2003·Granted May 23, 2006·24 cites·18 claims
- 1074US7406623B2DC backup power supply system and disk array using sameHITACHI COMP PERIPHERALS CO·Filed 2004·Granted Jul 29, 2008·27 cites·23 claims
- 1170US7245469B2DC backup power supply device and method for diagnosing the sameHITACHI COMP PERIPHERALS CO·Filed 2003·Granted Jul 17, 2007·27 cites·5 claims
- 1269US9680303B2Power storage system and power source systemHITACHI INFORMATION & TELECOMMUNICATION ENG LTD·Filed 2013·Granted Jun 13, 2017·4 cites·13 claims
- 1368US7880440B2Switching power supplyHITACHI COMP PERIPHERALS CO·Filed 2008·Granted Feb 1, 2011·8 cites·5 claims
- 1455US6738270B2Parallel power source systemRENESAS TECH CORP·Filed 2001·Granted May 18, 2004·13 cites·5 claims
- 1553US2005146223A1DC backup power supply systemFiled 2005·Application pending·0 cites
- 1646US2003222618A1DC backup power supply systemFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →