Inventor · disambiguated record
Takashi Kawai
Also filed as: KAWAI TAKASHI
143 granted patents·33 pending applications·1,546 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
176 records- 0197US7806795B2Power output apparatus and hybrid vehicle with power output apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Oct 5, 2010·61 cites·19 claims
- 0294US8047314B2Power output apparatus, hybrid vehicle equipped with power output apparatus, and control method of power output apparatusTOYOTA MOTOR CO LTD·Filed 2007·Granted Nov 1, 2011·45 cites·14 claims
- 0394US5286324APolytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separatorTORAY INDUSTRIES·Filed 1992·Granted Feb 15, 1994·113 cites·15 claims
- 0493US6904342B2Control apparatus for energy storage device in motor vehicleTOYOTA MOTOR CO LTD·Filed 2003·Granted Jun 7, 2005·51 cites·27 claims
- 0592US7834907B2Image-taking apparatus and image processing methodCANON KK·Filed 2005·Granted Nov 16, 2010·18 cites·14 claims
- 0691US7019671B2Image-taking apparatus and monitoring systemCANON KK·Filed 2003·Granted Mar 28, 2006·49 cites·12 claims
- 0790US11293484B2Tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2019·Granted Apr 5, 2022·6 cites·14 claims
- 0889US11828613B2Superimposed-image display deviceAISIN CORP·Filed 2022·Granted Nov 28, 2023·1 cites·10 claims
- 0987US5844699AColor image processing apparatusCANON KK·Filed 1995·Granted Dec 1, 1998·91 cites·21 claims
- 1086US11493357B2Superimposed image display device, superimposed image drawing method, and computer programAISIN CORP·Filed 2020·Granted Nov 8, 2022·2 cites·20 claims
- 1185US8068164B2Face recognition auto focus apparatus for a moving imageKUMAGAI FUMIHIRO·Filed 2008·Granted Nov 29, 2011·14 cites·11 claims
- 1285US7884574B2Hybrid vehicle and control method thereforTOYOTA MOTOR CO LTD·Filed 2007·Granted Feb 8, 2011·21 cites·13 claims
- 1385US7511756B2Image-taking apparatus and image processing methodCANON KK·Filed 2005·Granted Mar 31, 2009·9 cites·7 claims
- 1485US6492307B1Personal cleansing sheetKAO CORP·Filed 2000·Granted Dec 10, 2002·18 cites·22 claims
- 1585US5158680APolytetrafluoroethylene resin porous membrane, separator making use of the porous membrane and methods of producing the porous membrane and the separatorTORAY INDUSTRIES·Filed 1989·Granted Oct 27, 1992·48 cites·6 claims
- 1684US10330146B2Retainer and tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2016·Granted Jun 25, 2019·3 cites·20 claims
- 1784US7148997B2Image processing apparatus and methodCANON KK·Filed 2005·Granted Dec 12, 2006·10 cites·33 claims
- 1884US5339365AImage processing apparatus capable of using fuzzy logicCANON KK·Filed 1990·Granted Aug 16, 1994·58 cites·30 claims
- 1983US7898448B2Sigma-delta type analog-to-digital (AD) converter and angular velocity sensor using samePANASONIC CORP·Filed 2008·Granted Mar 1, 2011·16 cites·10 claims
- 2082US7085009B2Image processing apparatus and methodCANON KK·Filed 2002·Granted Aug 1, 2006·23 cites·30 claims
- 2182US6349710B1Engine combustion controllerTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 26, 2002·27 cites·20 claims
- 2281US6912190B2Optical disc apparatus and method for reading information from an optical disk having tracks and spaces between the tracks on which address information is recordedVICTOR COMPANY OF JAPAN·Filed 2001·Granted Jun 28, 2005·16 cites·8 claims
- 2381US6449060B1Image processing apparatus and methodCANON KK·Filed 1997·Granted Sep 10, 2002·56 cites·2 claims
- 2481US6115951APortable and compact retroreflective sign systemREFLEXITE CORP·Filed 1998·Granted Sep 12, 2000·64 cites·14 claims
- 2581US5904902AExhaust purifier for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 18, 1999·51 cites·12 claims
- 2680US10190457B2Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 29, 2019·2 cites·7 claims
- 2780US9254756B2Power supply device and power supply methodMIWA KOJI·Filed 2011·Granted Feb 9, 2016·8 cites·9 claims
- 2880US6668224B2Control apparatus and method for vehicle equipped with internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Dec 23, 2003·23 cites·32 claims
- 2978US11300155B2Cage for a tapered roller bearing and tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2019·Granted Apr 12, 2022·2 cites·20 claims
- 3078US8477519B2Method for controlling a switching power unit using an AC/DC converter, a power factor correction unit, and a DC/DC converter unitNAKAMURA YOSHIHIRO·Filed 2011·Granted Jul 2, 2013·5 cites·15 claims
- 3178US7142329B2Image processing apparatus and methodCANON KK·Filed 2005·Granted Nov 28, 2006·7 cites·4 claims
- 3278US7094462B1Base material for wiping sheetKAO CORP·Filed 2000·Granted Aug 22, 2006·12 cites·9 claims
- 3378US5672460AMethod for forming conductive or insulating layersJAPAN BROADCASTING CORP·Filed 1995·Granted Sep 30, 1997·26 cites·9 claims
- 3477US11536211B2Powertrain systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Dec 27, 2022·1 cites·17 claims
- 3577US5676101AControllers for a combustion engine able to lower the intake air pressure to a vacuum during an engine cranking operationTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 14, 1997·31 cites·5 claims
- 3676US8446517B2Imaging apparatus and methodKAWAI TAKASHI·Filed 2010·Granted May 21, 2013·3 cites·5 claims
- 3776US3989090ACore supply system for metal foundingHITACHI METALS LTD·Filed 1974·Granted Nov 2, 1976·23 cites·6 claims
- 3875US12318065B2Medical observation system, apparatus, control method, and imaging apparatus using different wobbling operation for different observation modesSONY GROUP CORP·Filed 2024·Granted Jun 3, 2025·0 cites·20 claims
- 3975US9560950B2Bulky sheet and method for producing sameKAWAI TAKASHI·Filed 2011·Granted Feb 7, 2017·3 cites·6 claims
- 4075US5594558AColor image processing apparatusCANON KK·Filed 1995·Granted Jan 14, 1997·42 cites·42 claims
- 4174US8361306B2Gas sensor control apparatus and methodNGK SPARK PLUG CO·Filed 2009·Granted Jan 29, 2013·4 cites·5 claims
- 4273US11221040B2Tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2018·Granted Jan 11, 2022·0 cites·7 claims
- 4373US7785654B2Method of producing cosmetics-impregnated sheetKAO CORP·Filed 2002·Granted Aug 31, 2010·4 cites·19 claims
- 4473US5943143AImage processing system having color adjusting featuresCANON KK·Filed 1994·Granted Aug 24, 1999·34 cites·16 claims
- 4572US10816034B2Tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2018·Granted Oct 27, 2020·1 cites·14 claims
- 4672US10288114B2Tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2016·Granted May 14, 2019·1 cites·5 claims
- 4772USD385174SScissor handleFEATHER SAFETY RAZOR CO LTD·Filed 1996·Granted Oct 21, 1997·17 cites·1 claims
- 4872US5162860AColor image forming apparatus controlling glossiness of an imageCANON KK·Filed 1991·Granted Nov 10, 1992·31 cites·15 claims
- 4972US2025107699A1Endoscope system, non-transitory computer readable medium, and methodSONY GROUP CORP·Filed 2024·Application pending·0 cites
- 5071US11668343B2Tapered roller bearingNTN TOYO BEARING CO LTD·Filed 2021·Granted Jun 6, 2023·0 cites·7 claims
Showing the top 50 of 176 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →