Inventor · disambiguated record
Eiji Yamada
Also filed as: YAMADA EIJI
115 granted patents·23 pending applications·2,599 citations·filing 1966–2024
99Inventor score
Top patents by PatentIndex Score
138 records- 0194US7157297B2Method for fabrication of semiconductor deviceSHARP KK·Filed 2005·Granted Jan 2, 2007·26 cites·16 claims
- 0293US6781333B2Drive control apparatus and method of alternating current motorTOYOTA MOTOR CO LTD·Filed 2002·Granted Aug 24, 2004·55 cites·15 claims
- 0393US5754226AImaging apparatus for obtaining a high resolution imageSHARP KK·Filed 1995·Granted May 19, 1998·197 cites·7 claims
- 0492US6728179B1Apparatus and method for optical recording/reproducing information including electrical spherical-aberration correction mechanism having low power consumptionSHARP KK·Filed 2000·Granted Apr 27, 2004·32 cites·9 claims
- 0591US7755243B2Rotating electric machineTOYOTA MOTOR CO LTD·Filed 2007·Granted Jul 13, 2010·21 cites·17 claims
- 0690US8896252B2Electric motor driving device and vehicle equipped with the sameYAMADA EIJI·Filed 2011·Granted Nov 25, 2014·9 cites·10 claims
- 0790US7322343B2Fuel vapor storage canisterMAHLE FILTER SYSTEMS JP CORP·Filed 2006·Granted Jan 29, 2008·30 cites·6 claims
- 0890US7134426B2Fuel vapor treatment deviceMAHLE FILTER SYSTEMS JP CORP·Filed 2003·Granted Nov 14, 2006·33 cites·13 claims
- 0990US6087734APower output apparatus, method of controlling power output apparatus, and driving system with power output apparatus incorporated thereinTOYOTA MOTOR CO LTD·Filed 1996·Granted Jul 11, 2000·92 cites·41 claims
- 1090US5844342APower output apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 1997·Granted Dec 1, 1998·111 cites·50 claims
- 1189US5414719AOperating circuit for galois fieldSHARP KK·Filed 1993·Granted May 9, 1995·70 cites·68 claims
- 1288US7772611B2Nitride semiconductor device with depressed portionSHARP KK·Filed 2006·Granted Aug 10, 2010·11 cites·11 claims
- 1388US5988307APower transmission apparatus, four-wheel drive vehicle with power transmission apparatus incorporated therein, method of transmitting power, and method of four-wheel drivingTOYOTA MOTOR CO LTD·Filed 1996·Granted Nov 23, 1999·137 cites·40 claims
- 1488US5650706AControl device for salient pole type permanent magnet motorTOYOTA MOTOR CO LTD·Filed 1995·Granted Jul 22, 1997·62 cites·7 claims
- 1588US5608300AElectrical angle-detecting apparatus and driving system of synchronous motor using the sameTOYOTA MOTOR CO LTD·Filed 1994·Granted Mar 4, 1997·117 cites·31 claims
- 1688US4880703AAcicular electroconductive titanium oxide and process for producing sameISHIHARA MINING & CHEMICAL CO·Filed 1987·Granted Nov 14, 1989·52 cites·1 claims
- 1787US8269387B2Coil for rotating electric machine having bent drawn-out endsENDO YASUHIRO·Filed 2008·Granted Sep 18, 2012·15 cites·5 claims
- 1886US10050503B2Magnetless rotating electric machineTOYOTA MOTOR CO LTD·Filed 2016·Granted Aug 14, 2018·3 cites·7 claims
- 1986US8138640B2Rotating electric machine and cooling system for the rotating electric machineURANO HIROAKI·Filed 2009·Granted Mar 20, 2012·14 cites·4 claims
- 2086US7969056B2Rotating electric motorTOYOTA MOTOR CO LTD·Filed 2008·Granted Jun 28, 2011·14 cites·5 claims
- 2186US5969496AMethod of controlling operation of synchronous motor and motor control apparatus for the sameTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 19, 1999·56 cites·11 claims
- 2286US5905346APower output apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 1996·Granted May 18, 1999·63 cites·11 claims
- 2385US6815730B2Nitride-based semiconductor light-emitting deviceSHARP KK·Filed 2002·Granted Nov 9, 2004·31 cites·7 claims
- 2485US6599856B1Formed activated carbon and process for producing the sameTENNEX CORP·Filed 2000·Granted Jul 29, 2003·30 cites·30 claims
- 2584US9124159B2Electromagnetic rotary electric machineYAMADA EIJI·Filed 2012·Granted Sep 1, 2015·7 cites·13 claims
- 2684US7915753B2Power supply apparatus and vehicleTOYOTA MOTOR CO LTD·Filed 2007·Granted Mar 29, 2011·7 cites·14 claims
- 2784US5814909AElectric motor having heat radiator at electric connection with inverterTOYOTA MOTOR CO LTD·Filed 1995·Granted Sep 29, 1998·56 cites·5 claims
- 2883US8294322B2Rotating electrical machineAIKI KOSUKE·Filed 2009·Granted Oct 23, 2012·15 cites·6 claims
- 2983US8242645B2Rotating electric machine enabling cooling of a cooling target regionTATEMATSU KAZUTAKA·Filed 2008·Granted Aug 14, 2012·13 cites·8 claims
- 3083US6108036AImaging apparatus having a spatial filter and image shifting mechanism controller based on an image modeSHARP KK·Filed 1997·Granted Aug 22, 2000·83 cites·14 claims
- 3183US5789877APower transmitting apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 1996·Granted Aug 4, 1998·54 cites·18 claims
- 3283US5569995AMethod and apparatus for driving and controlling synchronous motor using permanent magnets as its field systemTOYOTA MOTOR CO LTD·Filed 1994·Granted Oct 29, 1996·65 cites·22 claims
- 3382US11546180B2Data management apparatus, data management method, and data communication systemKDDI CORP·Filed 2020·Granted Jan 3, 2023·2 cites·18 claims
- 3482US5936312APower output apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 1998·Granted Aug 10, 1999·67 cites·24 claims
- 3581US9083276B2Rotary electric machine driving systemYAMADA EIJI·Filed 2012·Granted Jul 14, 2015·5 cites·9 claims
- 3681US6037741AMotor controller and method of controlling motorTOYOTA MOTOR CO LTD·Filed 1999·Granted Mar 14, 2000·45 cites·9 claims
- 3780US9906107B2Magnet-free rotating electric machineTOYOTA MOTOR CO LTD·Filed 2016·Granted Feb 27, 2018·2 cites·4 claims
- 3880US6730896B1Optical pickup deviceSHARP KK·Filed 2000·Granted May 4, 2004·14 cites·13 claims
- 3979US9667113B2Rotor for rotating electrical deviceKUBO KAORU·Filed 2013·Granted May 30, 2017·6 cites·8 claims
- 4079US8742710B2Rotary electric machine systemYAMADA EIJI·Filed 2012·Granted Jun 3, 2014·4 cites·14 claims
- 4179US8653708B2StatorISHIDA KENJI·Filed 2010·Granted Feb 18, 2014·4 cites·2 claims
- 4279US6340847B1Power output apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 2000·Granted Jan 22, 2002·39 cites·16 claims
- 4379US5623178ACoil structure for electric motorTOYOTA MOTOR CO LTD·Filed 1994·Granted Apr 22, 1997·43 cites·11 claims
- 4478US11280744B2Appearance inspection apparatus and appearance inspection methodNIDEC CORP·Filed 2018·Granted Mar 22, 2022·2 cites·8 claims
- 4578US8847455B2Rotary electric machine and driving controller for rotary electric machineHIRAMOTO KENJI·Filed 2008·Granted Sep 30, 2014·10 cites·15 claims
- 4678US8035271B2Stator core and rotating electric machineTOYOTA MOTOR CO LTD·Filed 2007·Granted Oct 11, 2011·8 cites·10 claims
- 4778US5909094APower output apparatus and method of controlling the sameTOYOTA MOTOR CO LTD·Filed 1996·Granted Jun 1, 1999·56 cites·7 claims
- 4877US8246104B2Vehicular reinforcing bar structureOHKUBO HIROSHI·Filed 2010·Granted Aug 21, 2012·11 cites·5 claims
- 4976US8579167B2Vehicle body rear part structureYAMADA EIJI·Filed 2010·Granted Nov 12, 2013·8 cites·19 claims
- 5076US8368183B2Nitride semiconductor deviceSHARP KK·Filed 2005·Granted Feb 5, 2013·4 cites·22 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →