Inventor · disambiguated record
Noriyuki Maekawa
Also filed as: MAEKAWA NORIYUKI
54 granted patents·11 pending applications·289 citations·filing 1998–2022
98Inventor score
Files withHITACHI AUTOMOTIVE SYSTEMS LTD19HITACHI LTD17HITACHI ASTEMO LTD12NIPPON STEEL & SUMITOMO METAL CORP4HITACHI CAR ENG CO LTD3
Top patents by PatentIndex Score
65 records- 0192US6474572B1Fuel-injection valveHITACHI LTD·Filed 2000·Granted Nov 5, 2002·33 cites·6 claims
- 0291US12074542B2Motor control device, electromechanical integrated unit, and electric vehicle systemHITACHI ASTEMO LTD·Filed 2020·Granted Aug 27, 2024·2 cites·17 claims
- 0391US11716039B2Winding switching device and rotating electrical machine drive system using the sameHITACHI ASTEMO LTD·Filed 2020·Granted Aug 1, 2023·2 cites·12 claims
- 0490US8882003B2Fuel injectorOKAMOTO YOSHIO·Filed 2012·Granted Nov 11, 2014·8 cites·7 claims
- 0589US11136954B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Oct 5, 2021·4 cites·9 claims
- 0687US8960157B2Drive device for electromagnetic fuel injection valveKUSAKABE RYO·Filed 2012·Granted Feb 24, 2015·8 cites·20 claims
- 0784US10731594B2Control device for fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Aug 4, 2020·2 cites·10 claims
- 0883US11098686B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Aug 24, 2021·2 cites·11 claims
- 0983US7774126B2Electromagnetic fuel injection valve deviceHITACHI LTD·Filed 2008·Granted Aug 10, 2010·12 cites·9 claims
- 1082US8888021B2Fuel injectorYASUKAWA YOSHIHITO·Filed 2012·Granted Nov 18, 2014·4 cites·9 claims
- 1182US7819344B2Electro-magneto fuel injectorHITACHI LTD·Filed 2007·Granted Oct 26, 2010·9 cites·16 claims
- 1282US7021569B1Fuel injection valveHITACHI CAR ENG CO LTD·Filed 2000·Granted Apr 4, 2006·24 cites·19 claims
- 1379US7472839B2Fuel injectorHITACHI LTD·Filed 2006·Granted Jan 6, 2009·10 cites·10 claims
- 1478US9309853B2Fuel injection valve and fuel injection systemHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Apr 12, 2016·3 cites·7 claims
- 1578US7607418B2Fuel injection nozzle and method of holding the sameHITACHI LTD·Filed 2008·Granted Oct 27, 2009·8 cites·6 claims
- 1677US6908050B2Electromagnetic fuel injection valveHITACHI CAR ENG CO LTD·Filed 2004·Granted Jun 21, 2005·14 cites·8 claims
- 1777US6695233B2Electromagnetic fuel injection valveHITACHI LTD·Filed 2001·Granted Feb 24, 2004·15 cites·11 claims
- 1876US11098670B2Drive device for fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Aug 24, 2021·1 cites·6 claims
- 1976US8096490B2Fuel injection valve and fuel injection system for internal combustion engine with the sameYASUKAWA YOSHIHITO·Filed 2007·Granted Jan 17, 2012·8 cites·7 claims
- 2075US7387263B2Fuel injection valve of engine, fuel injection method and assembling method of the sameHITACHI LTD·Filed 2005·Granted Jun 17, 2008·7 cites·8 claims
- 2175US6766789B2Injector driving control apparatusHITACHI LTD·Filed 2002·Granted Jul 27, 2004·22 cites·8 claims
- 2271US6367720B1Electromagnetic fuel injection valveHITACHI LTD·Filed 2000·Granted Apr 9, 2002·12 cites·10 claims
- 2370US11703021B2Fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 2470US6685114B2Electromagnetic fuel injection valveHITACHI LTD·Filed 2002·Granted Feb 3, 2004·11 cites·13 claims
- 2569US8371515B2Electro-magneto fuel injectorHITACHI LTD·Filed 2009·Granted Feb 12, 2013·4 cites·9 claims
- 2667US12512727B2Drive systemHITACHI ASTEMO LTD·Filed 2020·Granted Dec 30, 2025·0 cites·6 claims
- 2767US10859047B2Fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Dec 8, 2020·0 cites·11 claims
- 2867US7357123B2Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the sameHITACHI LTD·Filed 2005·Granted Apr 15, 2008·6 cites·5 claims
- 2964US6170491B1Element and method for fixing a wig to a head of a wearerADERANS KK·Filed 1998·Granted Jan 9, 2001·33 cites·9 claims
- 3063US12506419B2Power conversion deviceHITACHI ASTEMO LTD·Filed 2022·Granted Dec 23, 2025·0 cites·7 claims
- 3162US12184189B2Power conversion deviceHITACHI ASTEMO LTD·Filed 2021·Granted Dec 31, 2024·0 cites·6 claims
- 3262US12132430B2Rotating machine drive system and vehicleHITACHI ASTEMO LTD·Filed 2020·Granted Oct 29, 2024·0 cites·12 claims
- 3362US10082117B2Fuel injection deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Sep 25, 2018·0 cites·8 claims
- 3462US7163162B2Fuel-injection valveHITACHI LTD·Filed 2002·Granted Jan 16, 2007·7 cites·13 claims
- 3561US11131400B2High-pressure fuel supply pump and method of manufacturing the sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Sep 28, 2021·0 cites·13 claims
- 3661US10634105B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Apr 28, 2020·0 cites·12 claims
- 3760US2015021414A1Fuel InjectorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Application pending·0 cites
- 3857US11956933B2Power conversion device and motor-integrated power conversion deviceHITACHI ASTEMO LTD·Filed 2020·Granted Apr 9, 2024·0 cites·8 claims
- 3957US9404456B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Aug 2, 2016·0 cites·15 claims
- 4056US12501714B2Semiconductor device, power module, inverter device, and electric vehicleHITACHI ASTEMO LTD·Filed 2021·Granted Dec 16, 2025·0 cites·7 claims
- 4156US7082922B2Fuel injection method of internal combustion engine, fuel injection valve of the same, and internal combustion engineHITACHI CAR ENG CO LTD·Filed 2004·Granted Aug 1, 2006·6 cites·20 claims
- 4255US12062516B2Switch and winding switching deviceHITACHI ASTEMO LTD·Filed 2020·Granted Aug 13, 2024·0 cites·9 claims
- 4355US9322375B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Apr 26, 2016·0 cites·4 claims
- 4454US11067045B2Fuel injection deviceKUSAKABE RYO·Filed 2012·Granted Jul 20, 2021·0 cites·7 claims
- 4552US6783109B2Electromagnetic fuel injection valveHITACHI LTD·Filed 2002·Granted Aug 31, 2004·5 cites·10 claims
- 4652US2024266920A1Electric motor systemHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 4751US9541048B2Fuel injection valveHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2014·Granted Jan 10, 2017·0 cites·3 claims
- 4851US9347393B2Fuel injection deviceKUSAKABE RYO·Filed 2012·Granted May 24, 2016·0 cites·7 claims
- 4951US8162623B2High-pressure liquid supply pumpARITOMI SHUNSUKE·Filed 2008·Granted Apr 24, 2012·1 cites·11 claims
- 5050US12135001B2Fuel injection valveHITACHI ASTEMO LTD·Filed 2019·Granted Nov 5, 2024·0 cites·12 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →