Inventor · disambiguated record
Keiji Oda
Also filed as: ODA KEIJI
34 granted patents·4 pending applications·1,194 citations·filing 1990–2016
98Inventor score
Files withHITACHI LTD25BRIDGESTONE CORP3HITACHI AUTOMOTIVE SYSTEMS LTD3HITACHI CAR ENG CO LTD2KOKA HIDETOSHI1
Top patents by PatentIndex Score
38 records- 0198US6208054B1Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 1997·Granted Mar 27, 2001·126 cites·15 claims
- 0298US6034460APermanent magnet rotating electric machine and electrically driven vehicle employing sameHITACHI LTD·Filed 1997·Granted Mar 7, 2000·130 cites·8 claims
- 0397US5121605ATurbo-charger with rotary machineHITACHI LTD·Filed 1990·Granted Jun 16, 1992·104 cites·13 claims
- 0496US7119470B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI CAR ENG CO LTD·Filed 2005·Granted Oct 10, 2006·22 cites·12 claims
- 0596US6396183B1Permanent magnet rotating electric machine and electrically driven vehicle employing sameHITACHI LTD·Filed 2000·Granted May 28, 2002·46 cites·4 claims
- 0695US6876117B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2004·Granted Apr 5, 2005·35 cites·24 claims
- 0795US6798103B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2001·Granted Sep 28, 2004·35 cites·6 claims
- 0893US5678760ACooling system of electric automobile and electric motor used thereforHITACHI LTD·Filed 1993·Granted Oct 21, 1997·136 cites·3 claims
- 0992US6133662APermanent magnet dynamoelectric rotating machine and electric vehicle equipped with the sameHITACHI LTD·Filed 1997·Granted Oct 17, 2000·73 cites·14 claims
- 1092US5811904APermanent magnet dynamo electric machineHITACHI LTD·Filed 1997·Granted Sep 22, 1998·139 cites·8 claims
- 1191US6239525B1Permanent magnet dynamoelectric rotating machine and electric vehicle equipped with the sameHITACHI LTD·Filed 2000·Granted May 29, 2001·39 cites·2 claims
- 1289US6949856B2Permanent magnet rotating electric machine and electrically driven vehicle employing sameHITACHI CAR ENG CO LTD·Filed 2004·Granted Sep 27, 2005·22 cites·38 claims
- 1388US9735659B2Electric rotating machine having a thermistor in a gap between U-shaped and odd-shaped coil endsHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Aug 15, 2017·8 cites·4 claims
- 1488US6822360B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2003·Granted Nov 23, 2004·19 cites·10 claims
- 1588US6445100B2Permanent magnet dynamo electric machineHITACHI LTD·Filed 2000·Granted Sep 3, 2002·57 cites·19 claims
- 1685US7378773B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2006·Granted May 27, 2008·6 cites·39 claims
- 1784US9455605B2Rotating electrical machine and vehicle equipped with rotating electrical machineSAITO YASUYUKI·Filed 2011·Granted Sep 27, 2016·10 cites·7 claims
- 1884US5936323APermanent magnet rotation type rotary machine and manufacturing method thereofHITACHI LTD·Filed 1997·Granted Aug 10, 1999·63 cites·10 claims
- 1983US9329032B2Tread thickness measuring methodBRIDGESTONE CORP·Filed 2012·Granted May 3, 2016·3 cites·2 claims
- 2083US6734592B2Permanent magnet rotating electric machine and electrically driven vehicle employing sameHITACHI LTD·Filed 2002·Granted May 11, 2004·30 cites·7 claims
- 2180US7851959B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2009·Granted Dec 14, 2010·4 cites·21 claims
- 2276US7808144B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2009·Granted Oct 5, 2010·3 cites·10 claims
- 2375US8368524B2Tire state variables management systemBRIDGESTONE CORP·Filed 2008·Granted Feb 5, 2013·4 cites·5 claims
- 2472US9735640B2Rotating electrical machine and vehicle equipped with rotating electrical machineHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Aug 15, 2017·2 cites·8 claims
- 2566US8115614B2Tire information management systemODA KEIJI·Filed 2007·Granted Feb 14, 2012·3 cites·5 claims
- 2666US7791461B2Tire management system with data demanding signal and tire status value transmitting at different cyclesBRIDGESTONE CORP·Filed 2005·Granted Sep 7, 2010·2 cites·8 claims
- 2765US6188157B1Parmanent magnet dynamo electric machineHITACHI LTD·Filed 1998·Granted Feb 13, 2001·27 cites·16 claims
- 2857US8198775B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineTAJIMA FUMIO·Filed 2010·Granted Jun 12, 2012·0 cites·12 claims
- 2956US7847462B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2009·Granted Dec 7, 2010·0 cites·18 claims
- 3056US5886433ADynamoelectric machineHITACHI LTD·Filed 1996·Granted Mar 23, 1999·36 cites·11 claims
- 3155US7667365B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2008·Granted Feb 23, 2010·0 cites·27 claims
- 3252US7446448B2Permanent magnet electric rotating machine and electromotive vehicle using permanent magnet electric rotating machineHITACHI LTD·Filed 2006·Granted Nov 4, 2008·0 cites·2 claims
- 3347US7956506B2Driving apparatusHITACHI LTD·Filed 2009·Granted Jun 7, 2011·0 cites·6 claims
- 3445US2014246944A1Rotating electrical machine and electric automotive vehicleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2012·Application pending·0 cites
- 3543US2014049134A1Induction electrical rotating machineKOKA HIDETOSHI·Filed 2012·Application pending·0 cites
- 3641US6426579B1Permanent magnet type rotary electric machine and electrically driven vehicle using the sameHITACHI LTD·Filed 1999·Granted Jul 30, 2002·10 cites·1 claims
- 3738US2002149289A1Permanent magnet type rotary electric machine and electrically driven vehicle using the sameHITACHI LTD·Filed 2002·Application pending·0 cites
- 3837US2014167554A1Squirrel Cage Rotor and Rotary Electric MachineOSHIDA MANABU·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →