Inventor
AOKI KEIICHIRO
JP113 patents
⚠️ This page may combine multiple inventors who share the name “AOKI KEIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
31 patentsUS6286493B1Sep 11, 2001
Control device for an air-fuel ratio sensor
TOYOTA MOTOR CO LTD23 citations93
US6205989B1Mar 27, 2001
Control device for air-fuel radio sensor
TOYOTA MOTOR CO LTD20 citations93
US5979406ANov 9, 1999
Knock control device for internal combustion engine
TOYOTA MOTOR CO LTD29 citations93
US5656190AAug 12, 1997
Controller for a heater for an air-fuel ratio sensor and a method thereof
TOYOTA MOTOR CO LTD31 citations93
US5836285ANov 17, 1998
Device for controlling knocking in an internal combustion engine
TOYOTA MOTOR CO LTD28 citations92
US6151954ANov 28, 2000
Device for detecting knocking in an internal combustion engine
TOYOTA MOTOR CO LTD23 citations91
US6343499B1Feb 5, 2002
Air-fuel ratio detecting apparatus and method
TOYOTA MOTOR CO LTD27 citations89
US10365183B2Jul 30, 2019
Abnormality diagnosis system of air-fuel ratio sensor
TOYOTA MOTOR CO LTD11 citations84
US9897028B2Feb 20, 2018
Diagnosis system of internal combustion engine
TOYOTA MOTOR CO LTD11 citations84
US7597091B2Oct 6, 2009
Air-fuel ratio control apparatus and method for an internal combustion engine
TOYOTA MOTOR CO LTD13 citations84
US6382015B1May 7, 2002
Air-fuel ratio sensor resistance detecting apparatus
TOYOTA MOTOR CO LTD15 citations84
US5836292ANov 17, 1998
Heater controller for an air-fuel ratio sensor
TOYOTA MOTOR CO LTD18 citations84
US10184913B2Jan 22, 2019
Abnormality diagnosis system of a gas sensor
TOYOTA MOTOR CO LTD11 citations83
US9528424B2Dec 27, 2016
Malfunction diagnosis device for exhaust gas purification device of internal combustion engine
TOYOTA MOTOR CO LTD14 citations82
US8359841B2Jan 29, 2013
Exhaust purifying apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD10 citations82
US7568477B2Aug 4, 2009
Control system for an exhaust gas sensor
TOYOTA MOTOR CO LTD5 citations74
US5731570AMar 24, 1998
Heater controller for an air-fuel ratio sensor
TOYOTA MOTOR CO LTD9 citations74
US5701877ADec 30, 1997
Heater controller for an air-fuel ratio sensor
TOYOTA MOTOR CO LTD8 citations74
US10001076B2Jun 19, 2018
Control system of internal combustion engine
TOYOTA MOTOR CO LTD2 citations73
US9891188B2Feb 13, 2018
Gas concentration detecting device
TOYOTA MOTOR CO LTD2 citations73
US10598063B2Mar 24, 2020
Exhaust purification system of internal combustion engine
TOYOTA MOTOR CO LTD2 citations72
US9753005B2Sep 5, 2017
SOx concentration detection device
TOYOTA MOTOR CO LTD5 citations72
US6054860AApr 25, 2000
Device for detecting knocking in an internal combustion engine
TOYOTA MOTOR CO LTD7 citations72
US5955664ASep 21, 1999
Device for detecting a state of combustion in an internal combustion engine
TOYOTA MOTOR CO LTD8 citations72
US9732659B2Aug 15, 2017
SOx concentration detection device of internal combustion engine
TOYOTA MOTOR CO LTD2 citations71
US5929322AJul 27, 1999
Device for detecting knocking in an internal combustion engine
TOYOTA MOTOR CO LTD15 citations67
US7850833B2Dec 14, 2010
Oxygen sensor and air/fuel ratio control system
TOYOTA MOTOR CO LTD4 citations63
US7743759B2Jun 29, 2010
Gas sensor controller
TOYOTA MOTOR CO LTD4 citations63
US7698886B2Apr 20, 2010
Catalyst deterioration degree acquiring apparatus in internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US7591259B2Sep 22, 2009
Control system for an exhaust gas sensor
TOYOTA MOTOR CO LTD2 citations63
US7206714B2Apr 17, 2007
Exhaust gas sensor control device
TOYOTA MOTOR CO LTD2 citations63
AOKI KEIICHIRO
10 patentsUS9261007B2Feb 16, 2016
Catalyst-degradation detection device
AOKI KEIICHIRO7 citations84
US8721854B2May 13, 2014
Control device for exhaust gas sensor of internal-combustion engine
AOKI KEIICHIRO10 citations84
US8670917B2Mar 11, 2014
Air-fuel-ratio imbalance determination apparatus for internal combustion engine
AOKI KEIICHIRO9 citations84
US9670819B2Jun 6, 2017
Catalyst deterioration determination system
AOKI KEIICHIRO7 citations83
US8943809B2Feb 3, 2015
Control apparatus for internal combustion engine
AOKI KEIICHIRO5 citations73
US8839610B2Sep 23, 2014
Controller of internal combustion engine
AOKI KEIICHIRO5 citations73
US8736284B2May 27, 2014
Particulate matter detection device
AOKI KEIICHIRO6 citations73
US9528419B2Dec 27, 2016
Particulate matter controller for an internal combustion engine
AOKI KEIICHIRO2 citations63
US8868317B2Oct 21, 2014
Fuel injection amount control apparatus for an internal combustion engine
AOKI KEIICHIRO2 citations63
US8131451B2Mar 6, 2012
Air-fuel ratio sensor and control apparatus for internal combustion engine
AOKI KEIICHIRO3 citations63
IWAZAKI YASUSHI
4 patentsUS8401766B2Mar 19, 2013
Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine
IWAZAKI YASUSHI9 citations84
US8452521B2May 28, 2013
Inter-cylinder air-fuel ratio imbalance determination apparatus for an internal combustion engine
IWAZAKI YASUSHI6 citations73
US9194315B2Nov 24, 2015
Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine
IWAZAKI YASUSHI3 citations63
US8401765B2Mar 19, 2013
Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engine
IWAZAKI YASUSHI3 citations63
MIYAMOTO HIROSHI
2 patentsTOYOTA JIDOSHA KAISHA
1 patentJAPAN FINE CERAMICS CT
1 patentHAYASHITA GO
1 patentShowing the top 50 of 113 patents by PatentIndex Score.