Assignee
HITACHI VEHICLE ENERGY LTD
JP·24 granted patents·16 pending applications·325 citations·filing 2006–2013
Top patents by PatentIndex Score
40 records- 0198US7710073B2Secondary battery module, battery information management device, battery information management system, secondary battery reuse system, secondary battery recovery and sales system, secondary battery reuse method, and secondary battery recovery and sales methodHITACHI VEHICLE ENERGY LTD·Filed 2006·Granted May 4, 2010·37 cites·5 claims
- 0294US7862933B2Lithium secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Jan 4, 2011·29 cites·8 claims
- 0392US7955729B2Vibration resistant secondary battery moduleHITACHI VEHICLE ENERGY LTD·Filed 2007·Granted Jun 7, 2011·28 cites·9 claims
- 0491US7911178B2Battery apparatus, battery control apparatus, and motor drive unitHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Mar 22, 2011·18 cites·6 claims
- 0589US8353374B2Battery module, battery device, electric motor drive system and vehicleHITACHI VEHICLE ENERGY LTD·Filed 2009·Granted Jan 15, 2013·38 cites·14 claims
- 0688US7867644B2Secondary battery and secondary battery manufacturing methodHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Jan 11, 2011·8 cites·8 claims
- 0788US7622894B2Status detector for power supply, power supply, and initial characteristic extracting device for use with power supplyHITACHI VEHICLE ENERGY LTD·Filed 2006·Granted Nov 24, 2009·30 cites·14 claims
- 0887US9893333B2Battery block and secondary battery moduleHITACHI VEHICLE ENERGY LTD·Filed 2013·Granted Feb 13, 2018·5 cites·15 claims
- 0985US7951483B2Assembled battery with inner and outer framesHITACHI VEHICLE ENERGY LTD·Filed 2006·Granted May 31, 2011·10 cites·18 claims
- 1085US7952327B2Assembled battery total voltage detection and leak detection apparatusHITACHI VEHICLE ENERGY LTD·Filed 2007·Granted May 31, 2011·14 cites·10 claims
- 1184US9537128B2Assembled batteryHITACHI VEHICLE ENERGY LTD·Filed 2012·Granted Jan 3, 2017·3 cites·5 claims
- 1283US9255957B2Earth fault detection circuit and power source deviceHITACHI VEHICLE ENERGY LTD·Filed 2013·Granted Feb 9, 2016·6 cites·6 claims
- 1382US7514905B2Battery management systemHITACHI VEHICLE ENERGY LTD·Filed 2006·Granted Apr 7, 2009·17 cites·6 claims
- 1481US8054045B2Status detector for power supply, power supply, and initial characteristic extracting device for use with power supplyHITACHI VEHICLE ENERGY LTD·Filed 2009·Granted Nov 8, 2011·16 cites·8 claims
- 1580US7771863B2Cylindrical secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2007·Granted Aug 10, 2010·6 cites·9 claims
- 1675US8367243B2Lithium secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2009·Granted Feb 5, 2013·3 cites·5 claims
- 1773US9537325B2Battery state estimation system, battery control system, battery system, and battery state estimation methodHITACHI VEHICLE ENERGY LTD·Filed 2013·Granted Jan 3, 2017·5 cites·9 claims
- 1871USD642978SBatteryHITACHI VEHICLE ENERGY LTD·Filed 2011·Granted Aug 9, 2011·18 cites·1 claims
- 1970US8004239B2Battery management system for calculating charge and disharge powersHITACHI VEHICLE ENERGY LTD·Filed 2009·Granted Aug 23, 2011·7 cites·5 claims
- 2069USD644176SBatteryHITACHI VEHICLE ENERGY LTD·Filed 2011·Granted Aug 30, 2011·17 cites·1 claims
- 2166US8029934B2Lithium secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2007·Granted Oct 4, 2011·1 cites·9 claims
- 2266US7989107B2Lithium-ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Aug 2, 2011·1 cites·12 claims
- 2355US2009162751A1Lithium ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Application pending·0 cites
- 2452USD644178SBatteryHITACHI VEHICLE ENERGY LTD·Filed 2011·Granted Aug 30, 2011·8 cites·1 claims
- 2551US8053105B2Lithium-ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2008·Granted Nov 8, 2011·0 cites·8 claims
- 2651US2011269001A1Assembled batteryHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 2749US2013323574A1Electric cells and assembled batteryHITACHI VEHICLE ENERGY LTD·Filed 2013·Application pending·0 cites
- 2849US2009305122A1Lithium-ion secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2009·Application pending·0 cites
- 2945US2010143773A1Lithium secondary battery, secondary battery module, and secondary battery packHITACHI VEHICLE ENERGY LTD·Filed 2009·Application pending·0 cites
- 3045US2014184236A1Battery control apparatus and battery systemHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 3145US2015287970A1Cell and assembled batteryHITACHI VEHICLE ENERGY LTD·Filed 2012·Application pending·0 cites
- 3244US2011236750A1Secondary cell and method of producing sameHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 3344US2007184338A1Secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2006·Application pending·0 cites
- 3444US2011244283A1Electric Storage Module and Electric Storage DeviceHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 3543US2011183172A1Sealed Battery CellHITACHI VEHICLE ENERGY LTD·Filed 2011·Application pending·0 cites
- 3643US2015346285A1Device for Assessing Extent of Degradation of Secondary BatteryHITACHI VEHICLE ENERGY LTD·Filed 2013·Application pending·0 cites
- 3743US2013216879A1Secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2013·Application pending·0 cites
- 3842US2011143196A1Lithium secondary batteryHITACHI VEHICLE ENERGY LTD·Filed 2010·Application pending·0 cites
- 3942US2010310929A1Sealed battery and producing method thereforHITACHI VEHICLE ENERGY LTD·Filed 2010·Application pending·0 cites
- 4040US2010248036A1Lithium Secondary BatteryHITACHI VEHICLE ENERGY LTD·Filed 2010·Application pending·0 cites
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