Inventor · disambiguated record
Kenji Sakurai
Also filed as: SAKURAI KENJI · TANAKA HIROSHI
60 granted patents·18 pending applications·374 citations·filing 1978–2024
98Inventor score
Files withSAKURAI KENJI15TOSHIBA TEC KK10HITACHI LTD6OMRON TATEISI ELECTRONICS CO6TOYOTA MOTOR CO LTD6
Top patents by PatentIndex Score
78 records- 0191US7224133B2Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2005·Granted May 29, 2007·12 cites·9 claims
- 0290US8035330B2Apparatus and method for driving synchronous motorHITACHI LTD·Filed 2010·Granted Oct 11, 2011·8 cites·22 claims
- 0389US7839113B2Apparatus and method for driving synchronous motorHITACHI LTD·Filed 2008·Granted Nov 23, 2010·19 cites·23 claims
- 0485USD748842SLighting fixtureNITTOH KOGAKU KK·Filed 2014·Granted Feb 2, 2016·29 cites·1 claims
- 0585US8617969B2Method for producing semiconductor optical deviceSAKURAI KENJI·Filed 2012·Granted Dec 31, 2013·5 cites·8 claims
- 0683USD748316SLighting fixtureNITTOH KOGAKU KK·Filed 2014·Granted Jan 26, 2016·26 cites·1 claims
- 0782US11823157B2Electronic data transmission in an electronic receipt system with reduced data trafficTOSHIBA TEC KK·Filed 2021·Granted Nov 21, 2023·1 cites·20 claims
- 0880US9362849B2Electrostatic induction power generatorOKADA WATARU·Filed 2010·Granted Jun 7, 2016·4 cites·13 claims
- 0980US7455443B2Surface light source deviceOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Nov 25, 2008·6 cites·15 claims
- 1079US9696496B2Semiconductor optical device and semiconductor assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Jul 4, 2017·3 cites·9 claims
- 1178US9822683B2Exhaust gas purification system for internal combustion engineTSUKAMOTO YOSHIHISA·Filed 2012·Granted Nov 21, 2017·4 cites·7 claims
- 1278US8796902B2Electrostatic induction power generatorMASAKI TATSUAKIRA·Filed 2010·Granted Aug 5, 2014·4 cites·14 claims
- 1377US7859210B2Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motorHITACHI LTD·Filed 2008·Granted Dec 28, 2010·10 cites·17 claims
- 1476US11037125B2Electronic data transmission in an electronic receipt system with reduced data trafficTOSHIBA TEC KK·Filed 2019·Granted Jun 15, 2021·2 cites·20 claims
- 1574US7729847B2Air-fuel ratio control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2007·Granted Jun 1, 2010·6 cites·7 claims
- 1674US4203690ACeramic cutting tipNGK SPARK PLUG CO·Filed 1978·Granted May 20, 1980·21 cites·2 claims
- 1773US9845756B2Exhaust gas control apparatus for internal combustion engineBISAIJI YUKI·Filed 2012·Granted Dec 19, 2017·3 cites·12 claims
- 1873US6102389ASheet feeding deviceCANON APTEX INC·Filed 1997·Granted Aug 15, 2000·23 cites·13 claims
- 1972US9115660B2Exhaust purifying system for internal combustion engineSAKURAI KENJI·Filed 2009·Granted Aug 25, 2015·5 cites·8 claims
- 2072US4331627AAlumina sintered products and process for their productionNGK SPARK PLUG CO·Filed 1979·Granted May 25, 1982·20 cites·6 claims
- 2170US8661789B2Exhaust purification system for internal combustion engineSAKURAI KENJI·Filed 2009·Granted Mar 4, 2014·4 cites·7 claims
- 2270US5893210AMethod of forming a roller and mold for forming the sameSEIKO EPSON CORP·Filed 1998·Granted Apr 13, 1999·25 cites·2 claims
- 2369US4394048AInterlocking mechanism of both side lock recliner for automotive seatTOYOTA MOTOR CO LTD·Filed 1981·Granted Jul 19, 1983·34 cites·4 claims
- 2468US9494072B2Exhaust purification system of internal combustion engineSAKURAI KENJI·Filed 2013·Granted Nov 15, 2016·2 cites·6 claims
- 2567US7710064B2Semiconductor device for motor driving and motor having the same, motor driving apparatus and air conditionerHITACHI LTD·Filed 2007·Granted May 4, 2010·6 cites·10 claims
- 2665US8421395B2Synchronous motor and control method of synchronous motorMAEDA DAISUKE·Filed 2009·Granted Apr 16, 2013·6 cites·8 claims
- 2764US10921516B2Photodiode device monolithically integrating waveguide element with photodiode element type of optical waveguideSEDI INC·Filed 2020·Granted Feb 16, 2021·0 cites·15 claims
- 2864US9297289B2Exhaust gas purification apparatus for an internal combustion engineSAKURAI KENJI·Filed 2011·Granted Mar 29, 2016·2 cites·4 claims
- 2964US8841816B2Energy conversion device of electrostatic induction typeMASAKI TATSUAKIRA·Filed 2009·Granted Sep 23, 2014·4 cites·18 claims
- 3064US7434976B2Double-side display device with surface light source device having deflection patternsOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Oct 14, 2008·2 cites·11 claims
- 3163US8769934B2Exhaust purifying system for internal combustion engineSAKURAI KENJI·Filed 2009·Granted Jul 8, 2014·5 cites·5 claims
- 3263US4204873ASintered ceramic body for cutting toolsNGK SPARK PLUG CO·Filed 1979·Granted May 27, 1980·15 cites·9 claims
- 3363US2024161083A1Server device and computer readable storage mediumTOSHIBA TEC KK·Filed 2024·Application pending·0 cites
- 3462US7471355B2Liquid crystal display, surface light source device, and information deviceOMRON TATEISI ELECTRONICS CO·Filed 2006·Granted Dec 30, 2008·3 cites·9 claims
- 3561US10585239B2Photodiode device monolithically integrating waveguide element with photodiode element type of optical waveguideSEDI INC·Filed 2019·Granted Mar 10, 2020·0 cites·18 claims
- 3659US2023259911A1Transaction processing system, transaction processing apparatus, and information processing methodTOSHIBA TEC KK·Filed 2022·Application pending·0 cites
- 3758US7060520B2Piezoelectric device and cover sealing method and apparatus therefor, cellular phone apparatus using piezoelectric device and electronic apparatus using piezoelectric deviceSEIKO EPSON CORP·Filed 2003·Granted Jun 13, 2006·7 cites·14 claims
- 3857US9464554B2Exhaust gas purification system for internal combustion engineMATSUO JUNICHI·Filed 2012·Granted Oct 11, 2016·1 cites·3 claims
- 3957US2023048769A1Receipt server, information processing method, program recording medium, and server systemTOSHIBA TEC KK·Filed 2022·Application pending·0 cites
- 4057US2023069415A1Receipt server, information processing method, and program recording mediumTOSHIBA TEC KK·Filed 2022·Application pending·0 cites
- 4155US11955878B2Upper arm drive circuit, drive circuit of power conversion device, and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2022·Granted Apr 9, 2024·0 cites·16 claims
- 4255US2019139071A1Data processing apparatus and method by the sameTOSHIBA TEC KK·Filed 2018·Application pending·0 cites
- 4354US9861959B2Catalyst composition and exhaust gas purifying methodSAKURAI KENJI·Filed 2014·Granted Jan 9, 2018·0 cites·15 claims
- 4453US5807004ARoller for image forming apparatusSEIKO EPSON CORP·Filed 1996·Granted Sep 15, 1998·9 cites·9 claims
- 4553US4526875ACeramic material for cutting tools and process for the production thereofNGK SPARK PLUG CO·Filed 1984·Granted Jul 2, 1985·11 cites·3 claims
- 4652US2007285044A1Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2007·Application pending·0 cites
- 4751US4702517ADetachable-type vehicle sun shadeTOYOTA AUTO BODY CO LTD·Filed 1986·Granted Oct 27, 1987·14 cites·4 claims
- 4850US11379812B2Data management device, data management system, and data management methodTOSHIBA TEC KK·Filed 2020·Granted Jul 5, 2022·0 cites·14 claims
- 4950US9255509B2Exhaust cleaner for internal combustion engineSAKURAI KENJI·Filed 2011·Granted Feb 9, 2016·0 cites·6 claims
- 5050US2011079001A1Exhaust purifying device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →