Inventor · disambiguated record
Hisashi Iida
Also filed as: HASEGAWA JUN · IIDA HISASHI
73 granted patents·4 pending applications·1,563 citations·filing 1990–2018
99Inventor score
Top patents by PatentIndex Score
77 records- 0196US6898927B2Emission control system with catalyst warm-up speeding controlDENSO CORP·Filed 2002·Granted May 31, 2005·99 cites·17 claims
- 0296US5317909AAbnormality detecting apparatus for use in fuel transpiration prevention systemsNIPPON DENSO CO·Filed 1992·Granted Jun 7, 1994·102 cites·18 claims
- 0394US5672817ASelf-diagnostic apparatus of air-fuel ratio control system of internal combustion engineNIPPON DENSO CO·Filed 1995·Granted Sep 30, 1997·75 cites·26 claims
- 0493US7051725B2Cylinder-by-cylinder air-fuel ratio calculation apparatus for multi-cylinder internal combustion engineDENSO CORP·Filed 2004·Granted May 30, 2006·45 cites·29 claims
- 0592US6539707B2Exhaust emission control system for internal combustion engineDENSO CORP·Filed 2001·Granted Apr 1, 2003·45 cites·22 claims
- 0691US5964208AAbnormality diagnosing system for air/fuel ratio feedback control systemDENSO CORP·Filed 1997·Granted Oct 12, 1999·53 cites·34 claims
- 0791US5852228AApparatus and method for controlling oxygen sensor heatingDENSO CORP·Filed 1997·Granted Dec 22, 1998·49 cites·11 claims
- 0889US9545945B2Electric power steering system with motor controllerDENSO CORP·Filed 2015·Granted Jan 17, 2017·8 cites·13 claims
- 0988US8612117B2Apparatus for controlling the amount of waste heat of an engineSENDA TAKASHI·Filed 2010·Granted Dec 17, 2013·7 cites·22 claims
- 1088US6032659AAbnormality diagnosing system for air/fuel ratio feedback control systemDENSO CORP·Filed 1999·Granted Mar 7, 2000·45 cites·4 claims
- 1188US5419299ASelf-diagnosis apparatus and method for fuel evaporative emissionNIPPON DENSO CO·Filed 1993·Granted May 30, 1995·54 cites·19 claims
- 1287US7286926B2Apparatus and method for detecting deterioration of exhaust gas sensorDENSO CORP·Filed 2006·Granted Oct 23, 2007·22 cites·24 claims
- 1387US7107951B2Variable valve timing control device of internal combustion engineDENSO CORP·Filed 2003·Granted Sep 19, 2006·28 cites·36 claims
- 1486US5216991AInternal combustion engine controllerNIPPON DENSO CO·Filed 1992·Granted Jun 8, 1993·48 cites·8 claims
- 1583US10356527B2Output control device, output control system, and output control methodYAMAHA CORP·Filed 2017·Granted Jul 16, 2019·4 cites·22 claims
- 1683US8402757B2Waste heat control apparatusTAKEISHI HIROAKI·Filed 2010·Granted Mar 26, 2013·7 cites·18 claims
- 1783US6915203B2Apparatus and method for diagnosis of vehicular systemDENSO CORP·Filed 2003·Granted Jul 5, 2005·30 cites·29 claims
- 1883US6338336B1Engine air-fuel ratio control with fuel vapor pressure-based feedback control featureDENSO CORP·Filed 1999·Granted Jan 15, 2002·40 cites·11 claims
- 1982US6751950B2Emission control apparatus for engineDENSO CORP·Filed 2003·Granted Jun 22, 2004·26 cites·10 claims
- 2081US7363896B2Variable valve timing control device of internal combustion engineDENSO CORP·Filed 2006·Granted Apr 29, 2008·6 cites·31 claims
- 2181US6732504B2Control apparatus of internal combustion engineDENSO CORP·Filed 2002·Granted May 11, 2004·19 cites·4 claims
- 2281US5711272AFuel property detection for an engine using engine speedDENSO CORP·Filed 1996·Granted Jan 27, 1998·59 cites·12 claims
- 2380US7004128B2Control apparatus for device having dead band, and variable valve systemDENSO CORP·Filed 2002·Granted Feb 28, 2006·18 cites·33 claims
- 2480US6037391AWater based dye ink composition for free ink rollerball penMITSUBISHI PENCIL CO·Filed 1998·Granted Mar 14, 2000·38 cites·4 claims
- 2579US7070352B2Writing implementMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2002·Granted Jul 4, 2006·17 cites·13 claims
- 2676US6932053B2Control device of internal combustion engineDENSO CORP·Filed 2004·Granted Aug 23, 2005·20 cites·26 claims
- 2776US5771688AAir-fuel ratio control apparatus for internal combustion enginesNIPPON DENSO CO·Filed 1996·Granted Jun 30, 1998·32 cites·11 claims
- 2875US5758632ADiagnostic apparatus for air-fuel ratio sensorNIPPON DENSO CO·Filed 1996·Granted Jun 2, 1998·31 cites·5 claims
- 2974US5259353AFuel evaporative emission amount detection systemNIPPON DENSO CO·Filed 1992·Granted Nov 9, 1993·27 cites·13 claims
- 3073US9200552B2Apparatus for controlling supply power to conductive carrier of catalyst converterHIRAI TARO·Filed 2011·Granted Dec 1, 2015·3 cites·9 claims
- 3173US5974857AApparatus and method for controlling oxygen sensor heatingDENSO CORP·Filed 1998·Granted Nov 2, 1999·32 cites·10 claims
- 3273US5284050ASelf-diagnosis apparatus in system for prevention of scattering of fuel evaporation gasNIPPON DENSO CO·Filed 1992·Granted Feb 8, 1994·29 cites·5 claims
- 3372US8775051B2Apparatus for diagnosing temperature state of carrier of catalyst converterHIRAI TARO·Filed 2011·Granted Jul 8, 2014·3 cites·11 claims
- 3472US7266440B2Air/fuel ratio control system for automotive vehicle using feedback controlDENSO CORP·Filed 2005·Granted Sep 4, 2007·7 cites·17 claims
- 3572US5806306ADeterioration monitoring apparatus for an exhaust system of an internal combustion engineNIPPON DENSO CO·Filed 1996·Granted Sep 15, 1998·38 cites·5 claims
- 3669US7103467B2Device for detecting response characteristics of sensorDENSO CORP·Filed 2005·Granted Sep 5, 2006·12 cites·36 claims
- 3768US5730111AAir-fuel ratio control system for internal combustion engineNIPPON DENSO CO·Filed 1996·Granted Mar 24, 1998·25 cites·20 claims
- 3868US5259355AGaseous fuel flow rate detecting systemNIPPON DENSO CO·Filed 1992·Granted Nov 9, 1993·28 cites·3 claims
- 3967US5363832AFuel vapor purging control system with air/fuel ratio compensating system for internal combustion engineNIPPON DENSO CO·Filed 1993·Granted Nov 15, 1994·29 cites·5 claims
- 4066US8905007B2Internal combustion engineIIZUKA MOTOMASA·Filed 2012·Granted Dec 9, 2014·3 cites·5 claims
- 4166US6085518AAir-fuel ratio feedback control for enginesDENSO CORP·Filed 1998·Granted Jul 11, 2000·23 cites·12 claims
- 4265US5950606ASystem for diagnosing fuel supply system of internal combustion engineDENSO CORP·Filed 1998·Granted Sep 14, 1999·24 cites·24 claims
- 4363US5762055AAir-to-fuel ratio control apparatus for an internal combustion engineNIPPON DENSO CO·Filed 1996·Granted Jun 9, 1998·21 cites·7 claims
- 4463US5313395ASpeed control system for an internal combustion engineNIPPON DENSO CO·Filed 1990·Granted May 17, 1994·21 cites·17 claims
- 4562US6880329B2Exhaust gas purifying system for internal combustion enginesDENSO CORP·Filed 2003·Granted Apr 19, 2005·11 cites·23 claims
- 4662US5727383ACatalyst deterioration detecting apparatus and exhaust emission control device failure detecting apparatusNIPPON DENSO CO·Filed 1996·Granted Mar 17, 1998·25 cites·25 claims
- 4761US7284367B2Control apparatus of internal combustion engineDENSO CORP·Filed 2004·Granted Oct 23, 2007·8 cites·6 claims
- 4861US7188593B2Controller for automobileDENSO CORP·Filed 2005·Granted Mar 13, 2007·4 cites·10 claims
- 4961US6530214B2Air-fuel ratio control apparatus having sub-feedback controlDENSO CORP·Filed 2001·Granted Mar 11, 2003·11 cites·15 claims
- 5059US6941745B2Exhaust gas cleaning system of internal combustion engineDENSO CORP·Filed 2003·Granted Sep 13, 2005·9 cites·2 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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