Keiichiro Aoki

Person

Shizuoka-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control device for internal combustion engine
- Patent number 12,071,907
- Issue date Aug 27, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust gas control apparatus for internal combustion engine and ex...
- Patent number 11,920,532
- Issue date Mar 5, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control device for internal combustion engine and catalyst abnormal...
- Patent number 11,898,511
- Issue date Feb 13, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas control apparatus and exhaust gas control method for in...
- Patent number 11,828,243
- Issue date Nov 28, 2023
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control system of air-fuel ratio sensor
- Patent number 11,401,877
- Issue date Aug 2, 2022
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Abnormality diagnosis system of downstream side air-fuel ratio dete...
- Patent number 11,319,889
- Issue date May 3, 2022
- Toyota Jidosha Kabushiki Kaisha
- Yoshiyuki Kitazume
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Abnormality detection device for air-fuel ratio detection device
- Patent number 11,319,890
- Issue date May 3, 2022
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro Wakao
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control device for exhaust sensor
- Patent number 11,199,148
- Issue date Dec 14, 2021
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro Wakao
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Sensor system
- Patent number 11,092,102
- Issue date Aug 17, 2021
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control system of internal combustion engine
- Patent number 11,092,100
- Issue date Aug 17, 2021
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control apparatus for an internal combustion engine
- Patent number 11,078,858
- Issue date Aug 3, 2021
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Catalyst deterioration detection system
- Patent number 10,968,807
- Issue date Apr 6, 2021
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Air-fuel ratio detection device and air-fuel ratio detection method
- Patent number 10,934,958
- Issue date Mar 2, 2021
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro Wakao
- G01 - MEASURING TESTING
Information Patent Grant
Exhaust gas purification apparatus for an internal combustion engine
- Patent number 10,808,586
- Issue date Oct 20, 2020
- Toyota Jidosha Kabushiki Kaisha
- Hiroshi Kobayashi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Gas detector
- Patent number 10,794,857
- Issue date Oct 6, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro Wakao
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust gas control apparatus for internal combustion engine
- Patent number 10,781,734
- Issue date Sep 22, 2020
- Toyota Jidosha Kabushiki Kaisha
- Masataka Ogushi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Control device for gas detector and control method for gas detector
- Patent number 10,712,323
- Issue date Jul 14, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control device of nitrogen oxide sensor
- Patent number 10,697,923
- Issue date Jun 30, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas detection device
- Patent number 10,690,629
- Issue date Jun 23, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Gas detection device
- Patent number 10,677,750
- Issue date Jun 9, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Gas detection device
- Patent number 10,677,749
- Issue date Jun 9, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Gas detector
- Patent number 10,670,557
- Issue date Jun 2, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro Wakao
- G01 - MEASURING TESTING
Information Patent Grant
Diagnosis system of internal combustion engine
- Patent number 10,626,819
- Issue date Apr 21, 2020
- Toyota Jidosha Kabushiki Kaisha
- Hiroshi Miyamoto
- G01 - MEASURING TESTING
Information Patent Grant
Gas detection device
- Patent number 10,605,765
- Issue date Mar 31, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust purification system of internal combustion engine
- Patent number 10,598,063
- Issue date Mar 24, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kimikazu Yoda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Exhaust purification system of internal combustion engine
- Patent number 10,570,843
- Issue date Feb 25, 2020
- Toyota Jidosha Kabushiki Kaisha
- Kimikazu Yoda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Exhaust purification system of internal combustion engine
- Patent number 10,519,839
- Issue date Dec 31, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control system of internal combustion engine
- Patent number 10,473,049
- Issue date Nov 12, 2019
- Toyota Jidosha Kabushiki Kaisha
- Go Hayashita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Sulfur oxide detection system
- Patent number 10,444,181
- Issue date Oct 15, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Control device for internal combustion engine
- Patent number 10,408,149
- Issue date Sep 10, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
- Publication number 20240141847
- Publication date May 2, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro AOKI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND EX...
- Publication number 20240018918
- Publication date Jan 18, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND CATALYST ABNORMAL...
- Publication number 20240018919
- Publication date Jan 18, 2024
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST GAS CONTROL APPARATUS AND EXHAUST GAS CONTROL METHOD FOR IN...
- Publication number 20230340918
- Publication date Oct 26, 2023
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST GAS CONTROL APPARATUS AND EXHAUST GAS CONTROL METHOD FOR IN...
- Publication number 20230340920
- Publication date Oct 26, 2023
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE
- Publication number 20220025807
- Publication date Jan 27, 2022
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CONTROL SYSTEM OF AIR-FUEL RATIO SENSOR
- Publication number 20210404400
- Publication date Dec 30, 2021
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL DEVICE FOR EXHAUST SENSOR
- Publication number 20210285394
- Publication date Sep 16, 2021
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro WAKAO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ABNORMALITY DETECTION DEVICE FOR AIR-FUEL RATIO DETECTION DEVICE
- Publication number 20210239062
- Publication date Aug 5, 2021
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro WAKAO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ABNORMALITY DIAGNOSIS SYSTEM OF DOWNSTREAM SIDE AIR-FUEL RATIO DETE...
- Publication number 20210231072
- Publication date Jul 29, 2021
- Toyota Jidosha Kabushiki Kaisha
- Yoshiyuki KITAZUME
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE
- Publication number 20200232407
- Publication date Jul 23, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
FAILURE DETECTION APPARATUS FOR GAS SENSOR AND FAILURE DETECTION ME...
- Publication number 20200141892
- Publication date May 7, 2020
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro AOKI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
AIR-FUEL RATIO DETECTION DEVICE AND AIR-FUEL RATIO DETECTION METHOD
- Publication number 20190345889
- Publication date Nov 14, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kazuhiro WAKAO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
- Publication number 20190301330
- Publication date Oct 3, 2019
- Toyota Jidosha Kabushiki Kaisha
- Masataka OGUSHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE
- Publication number 20190249616
- Publication date Aug 15, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro AOKI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SENSOR SYSTEM
- Publication number 20190242320
- Publication date Aug 8, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro AOKI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE
- Publication number 20190195103
- Publication date Jun 27, 2019
- Toyota Jidosha Kabushiki Kaisha
- Hiroshi KOBAYASHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE
- Publication number 20190186326
- Publication date Jun 20, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE
- Publication number 20190186325
- Publication date Jun 20, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CATALYST DETERIORATION DETECTION SYSTEM
- Publication number 20190178144
- Publication date Jun 13, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
SOX INDEX ACQUISITION APPARATUS FOR INTERNAL COMBUSTION ENGINE
- Publication number 20190128834
- Publication date May 2, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa MATSUDA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
- Publication number 20190101033
- Publication date Apr 4, 2019
- Toyota Jidosha Kabushiki Kaisha
- Kimikazu Yoda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
- Publication number 20190048775
- Publication date Feb 14, 2019
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE
- Publication number 20180283304
- Publication date Oct 4, 2018
- Toyota Jidosha Kabushiki Kaisha
- Kimikazu Yoda
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS DETECTION DEVICE
- Publication number 20180231492
- Publication date Aug 16, 2018
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS DETECTION DEVICE
- Publication number 20180231493
- Publication date Aug 16, 2018
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Application
CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE
- Publication number 20180209364
- Publication date Jul 26, 2018
- Toyota Jidosha Kabushiki Kaisha
- Yasushi Ono
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
GAS DETECTION DEVICE
- Publication number 20180172624
- Publication date Jun 21, 2018
- Toyota Jidosha Kabushiki Kaisha
- Keiichiro Aoki
- G01 - MEASURING TESTING
Information Patent Application
GAS DETECTION DEVICE
- Publication number 20180172633
- Publication date Jun 21, 2018
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GAS DETECTION DEVICE
- Publication number 20180164248
- Publication date Jun 14, 2018
- Toyota Jidosha Kabushiki Kaisha
- Kazuhisa Matsuda
- G01 - MEASURING TESTING

Keiichiro Aoki

Person

Patents Grantslast 30 patents

Control device for internal combustion engine

Exhaust gas control apparatus for internal combustion engine and ex...

Control device for internal combustion engine and catalyst abnormal...

Exhaust gas control apparatus and exhaust gas control method for in...

Control system of air-fuel ratio sensor

Abnormality diagnosis system of downstream side air-fuel ratio dete...

Abnormality detection device for air-fuel ratio detection device

Control device for exhaust sensor

Sensor system

Control system of internal combustion engine

Control apparatus for an internal combustion engine

Catalyst deterioration detection system

Air-fuel ratio detection device and air-fuel ratio detection method

Exhaust gas purification apparatus for an internal combustion engine

Gas detector

Exhaust gas control apparatus for internal combustion engine

Control device for gas detector and control method for gas detector

Control device of nitrogen oxide sensor

Gas detection device

Gas detection device

Gas detection device

Gas detector

Diagnosis system of internal combustion engine

Gas detection device

Exhaust purification system of internal combustion engine

Exhaust purification system of internal combustion engine

Exhaust purification system of internal combustion engine

Control system of internal combustion engine

Sulfur oxide detection system

Control device for internal combustion engine

Patents Applicationslast 30 patents

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE AND EX...

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE AND CATALYST ABNORMAL...

EXHAUST GAS CONTROL APPARATUS AND EXHAUST GAS CONTROL METHOD FOR IN...

EXHAUST GAS CONTROL APPARATUS AND EXHAUST GAS CONTROL METHOD FOR IN...

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

CONTROL SYSTEM OF AIR-FUEL RATIO SENSOR

CONTROL DEVICE FOR EXHAUST SENSOR

ABNORMALITY DETECTION DEVICE FOR AIR-FUEL RATIO DETECTION DEVICE

ABNORMALITY DIAGNOSIS SYSTEM OF DOWNSTREAM SIDE AIR-FUEL RATIO DETE...

CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE

FAILURE DETECTION APPARATUS FOR GAS SENSOR AND FAILURE DETECTION ME...

AIR-FUEL RATIO DETECTION DEVICE AND AIR-FUEL RATIO DETECTION METHOD

EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

SENSOR SYSTEM

EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

CATALYST DETERIORATION DETECTION SYSTEM

SOX INDEX ACQUISITION APPARATUS FOR INTERNAL COMBUSTION ENGINE

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

GAS DETECTION DEVICE

GAS DETECTION DEVICE

CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE

GAS DETECTION DEVICE

GAS DETECTION DEVICE

GAS DETECTION DEVICE