Inventor · disambiguated record
Eiichi Kurokawa
Also filed as: KUROKAWA EIICHI
44 granted patents·7 pending applications·782 citations·filing 1996–2008
98Inventor score
Top patents by PatentIndex Score
51 records- 0196US8052863B2Gas sensor control apparatus designed to ensure accuracy of measurement in gas sensorDENSO CORP·Filed 2008·Granted Nov 8, 2011·70 cites·5 claims
- 0292US6336354B1Gas concentration measuring apparatus compensating for error component of output signalDENSO CORP·Filed 2000·Granted Jan 8, 2002·51 cites·27 claims
- 0388US6442998B2Gas concentration measuring apparatus compensating for error component of output signalDENSO CORP·Filed 2001·Granted Sep 3, 2002·30 cites·6 claims
- 0486US6922639B2Gas concentration detecting apparatusDENSO CORP·Filed 2003·Granted Jul 26, 2005·27 cites·20 claims
- 0584US7073320B2Fault detecting apparatus designed to detect different types of faults of gas sensorNIPPON SOKEN·Filed 2004·Granted Jul 11, 2006·28 cites·29 claims
- 0681US7955494B2Gas sensor control apparatusDENSO CORP·Filed 2008·Granted Jun 7, 2011·7 cites·24 claims
- 0781US6870142B2Power supply control system for heater used in gas sensorDENSO CORP·Filed 2002·Granted Mar 22, 2005·26 cites·22 claims
- 0881US6578563B2Power supply control system for heater used in gas sensorDENSO CORP·Filed 2002·Granted Jun 17, 2003·24 cites·18 claims
- 0981US6295862B1Gas concentration measuring apparatus compensating for error component of output signalDENSO CORP·Filed 1999·Granted Oct 2, 2001·47 cites·17 claims
- 1080US6720534B2Power supply control system for heater used in gas sensorDENSO CORP·Filed 2002·Granted Apr 13, 2004·18 cites·24 claims
- 1179US6347544B1Control method for gas concentration sensorDENSO CORP·Filed 1998·Granted Feb 19, 2002·30 cites·16 claims
- 1278US7671600B2Gas concentration detection apparatus having function for detecting sensor element activation statusDENSO CORP·Filed 2007·Granted Mar 2, 2010·6 cites·9 claims
- 1378US6849174B2Gas concentration measuring apparatus designed to minimize error component contained in outputDENSO CORP·Filed 2003·Granted Feb 1, 2005·13 cites·20 claims
- 1478US6656337B2Gas concentration measuring apparatus compensating for error component of output signalDENSO CORP·Filed 2001·Granted Dec 2, 2003·16 cites·32 claims
- 1578US6164125ADetection of malfunction in gas concentration detection systemDENSO CORP·Filed 1998·Granted Dec 26, 2000·49 cites·19 claims
- 1677US8257565B2Sensor control apparatusKAWASE TOMOO·Filed 2008·Granted Sep 4, 2012·6 cites·7 claims
- 1777US7481913B2High-resolution gas concentration measuring apparatusDENSO CORP·Filed 2003·Granted Jan 27, 2009·14 cites·14 claims
- 1876US6996499B2Abnormality detecting device for gas sensorDENSO CORP·Filed 2003·Granted Feb 7, 2006·12 cites·16 claims
- 1975US7776194B2Gas concentration measuring apparatus designed to compensate for output errorDENSO CORP·Filed 2005·Granted Aug 17, 2010·5 cites·14 claims
- 2075US5980710AMethod and apparatus for gas concentration detection and manufacturing method of the apparatusDENSO CORP·Filed 1998·Granted Nov 9, 1999·29 cites·14 claims
- 2172US7980121B2Degradation simulator for gas sensorDENSO CORP·Filed 2008·Granted Jul 19, 2011·7 cites·14 claims
- 2271US7606654B2Oxygen sensor output correction apparatus for internal combustion engineDENSO CORP·Filed 2008·Granted Oct 20, 2009·7 cites·10 claims
- 2371US6895800B2Gas concentration measuring apparatus minimizing measurement errorNIPPON SOKEN·Filed 2002·Granted May 24, 2005·11 cites·15 claims
- 2471US6547955B1Gas concentration measuring apparatus designed to minimize error component contained in outputDENSO CORP·Filed 1999·Granted Apr 15, 2003·31 cites·6 claims
- 2569US6740217B2Structure of gas sensor designed to minimize error of sensor outputDENSO CORP·Filed 2002·Granted May 25, 2004·8 cites·4 claims
- 2668US8333875B2Sensor control deviceMATSUOKA MIKIYASU·Filed 2008·Granted Dec 18, 2012·3 cites·11 claims
- 2768US7445698B2Gas concentration detecting apparatusDENSO CORP·Filed 2004·Granted Nov 4, 2008·7 cites·9 claims
- 2868US6383354B1Gas concentration sensing apparatusDENSO CORP·Filed 1999·Granted May 7, 2002·31 cites·18 claims
- 2966US6868712B2Control method for gas concentration sensorDENSO CORP·Filed 2002·Granted Mar 22, 2005·11 cites·6 claims
- 3066US5617736ABeverage cooling and dispensing machineTOSHIBA MACHINE CO LTD·Filed 1996·Granted Apr 8, 1997·36 cites·2 claims
- 3165US6439030B2Signal processing device for piezoelectric sensorDENSO CORP·Filed 2001·Granted Aug 27, 2002·9 cites·11 claims
- 3264US7288175B2Noiseless gas concentration measurement apparatusDENSO CORP·Filed 2003·Granted Oct 30, 2007·5 cites·22 claims
- 3363US6651639B2Heater control apparatus for a gas concentration sensorDENSO CORP·Filed 2001·Granted Nov 25, 2003·12 cites·16 claims
- 3462US6901785B2Gas concentration measuring apparatus designed to minimize measurement errorNIPPON SOKEN·Filed 2002·Granted Jun 7, 2005·5 cites·24 claims
- 3560US7614391B2Oxygen sensor output correction apparatus for internal combustion engineDENSO CORP·Filed 2008·Granted Nov 10, 2009·4 cites·12 claims
- 3660US6478940B1Gas concentration sensing apparatus capable of suppressing sensor voltage oscillationDENSO CORP·Filed 1999·Granted Nov 12, 2002·21 cites·15 claims
- 3759US5942273AMethod of preparing pellets for snack confectionery and an expanded snack confectioneryMEIJI SEIKA KAISHA·Filed 1996·Granted Aug 24, 1999·19 cites·5 claims
- 3856US6453724B1Gas concentration sensing apparatusDENSO CORP·Filed 1999·Granted Sep 24, 2002·17 cites·14 claims
- 3948US7981265B2Gas concentration measuring apparatus designed to enhance measurement accuracy in desired rangeDENSO CORP·Filed 2007·Granted Jul 19, 2011·0 cites·6 claims
- 4048US2004195097A1Gas concentration detecting apparatusFiled 2004·Application pending·0 cites
- 4147US6446488B1Gas concentration measuring apparatus producing current signals as a function of gas concentrationDENSO CORP·Filed 1999·Granted Sep 10, 2002·12 cites·13 claims
- 4247US2005029250A1Heater controller for gas sensor ensuring stability of temperature controlDENSO CORP·Filed 2004·Application pending·0 cites
- 4346US6067841AMethod of detecting element resistance of gas concentration sensorDENSO CORP·Filed 1998·Granted May 30, 2000·11 cites·18 claims
- 4446US2004045823A1Noiseless gas concentration measurement apparatusDENSO CORP·Filed 2003·Application pending·0 cites
- 4545US7578914B2Gas concentration measuring apparatus designed to compensate for output errorDENSO CORP·Filed 2005·Granted Aug 25, 2009·0 cites·22 claims
- 4644US7582197B2Gas concentration measuring apparatus with failure monitorDENSO CORP·Filed 2005·Granted Sep 1, 2009·0 cites·19 claims
- 4744US2006011476A1Gas concentration measuring apparatus designed to ensuring accuracy of determining resistance of gas sensor elementDENSO CORP·Filed 2005·Application pending·0 cites
- 4844US2006102476A1Sensor impedance measuring apparatus for improving measurement accuracy of gas sensorDENSO CORP·Filed 2005·Application pending·0 cites
- 4943US6226861B1Method and apparatus for gas concentration detection and manufacturing method of the apparatusDENSO CORP·Filed 1999·Granted May 8, 2001·7 cites·9 claims
- 5042US2002189942A1Gas concentration measuring deviceFiled 2002·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →