Inventor · disambiguated record
Yasunaga Hamada
Also filed as: HAMADA YASUNAGA
15 granted patents·12 pending applications·395 citations·filing 1998–2016
94Inventor score
Files withHITACHI LTD13HITACHI AUTOMOTIVE SYSTEMS LTD7HITACHI HIGH TECH CORP2HIATCHI LTD1HITACHI AUTOMOTIVE SYSTEM LTD1
Top patents by PatentIndex Score
27 records- 0197US5992391AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1998·Granted Nov 30, 1999·78 cites·22 claims
- 0296US8033714B2Fluid mixing apparatusHITACHI HIGH TECH CORP·Filed 2006·Granted Oct 11, 2011·77 cites·5 claims
- 0393US6550458B2Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatusHITACHI LTD·Filed 2001·Granted Apr 22, 2003·47 cites·8 claims
- 0492US6571773B1Fuel injector and internal combustion engineHITACHI LTD·Filed 2000·Granted Jun 3, 2003·50 cites·15 claims
- 0575US6129073AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1999·Granted Oct 10, 2000·21 cites·9 claims
- 0673US6834844B1Electromagnetic type fuel injector valveHITACHI LTD·Filed 2000·Granted Dec 28, 2004·15 cites·6 claims
- 0772US6634338B1Fuel injection apparatus, fuel injection method and internal combustion engineHITACHI LTD·Filed 2000·Granted Oct 21, 2003·18 cites·12 claims
- 0872US6125818AFuel injector and internal combustion engine having the sameHIATCHI LTD·Filed 1998·Granted Oct 3, 2000·21 cites·20 claims
- 0969US6431155B1Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2000·Granted Aug 13, 2002·11 cites·12 claims
- 1065US6341592B2Fuel injector and internal combustion engine having the sameHITACHI LTD·Filed 2001·Granted Jan 29, 2002·8 cites·18 claims
- 1164US10069362B2Structure for preventing scattering of magnet and retaining magnet for rotating electrical machineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Sep 4, 2018·1 cites·6 claims
- 1264US6032879AFuel injector for use in internal combustion engineHITACHI LTD·Filed 1998·Granted Mar 7, 2000·23 cites·26 claims
- 1361US6332453B1Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatusHITACHI LTD·Filed 1999·Granted Dec 25, 2001·16 cites·12 claims
- 1460US6216665B1Fuel injector and internal combustion engine having the sameHITACHI LTD·Filed 2000·Granted Apr 17, 2001·6 cites·3 claims
- 1548US2014132197A1Electric Actuator For AutomobileHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 1647US2007036694A1Exhaust aftertreatment system using urea waterHITACHI HIGH TECH CORP·Filed 2006·Application pending·0 cites
- 1746US6615805B2Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2002·Granted Sep 9, 2003·3 cites·14 claims
- 1846US2007007477A1Electromagnetic fuel injectorHITACHI CAR ENG CO LTD·Filed 2006·Application pending·0 cites
- 1946US2014009041A1Rotating electrical machineHITACHI AUTOMOTIVE SYSTEMNS LTD·Filed 2013·Application pending·0 cites
- 2046US2014145542A1Electric ActuatorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 2146US2013257200A1In-Vehicle Motor and Electric Power Steering Device Including the SameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 2242US2014084755A1On-vehicle rotary electric machineHITACHI AUTOMOTIVE SYSTEM LTD·Filed 2013·Application pending·0 cites
- 2341US2004108395A1Electromagnetic fuel injectorHITACHI LTD·Filed 2003·Application pending·0 cites
- 2438US2013264140A1On-vehicle rotary electric machine and electric power steering systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Application pending·0 cites
- 2537US2010263632A1Control Apparatus and Control Method for Internal Combustion EngineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2010·Application pending·0 cites
- 2637US2016141930A1Rotor for Electric Power Steering Motor, Electric Power Steering Motor with This, and Manufacturing ThereforHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Application pending·0 cites
- 2737US2019013710A1Rotary Electric MachineHITACHI AUTOMOTIVE SYSTEMS ENG LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →