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Koji HAGIWARA
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Susono-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Abnormality diagnosis apparatus for NOx storage reduction catalyst
Patent number
10,184,382
Issue date
Jan 22, 2019
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deterioration diagnosis apparatus for exhaust gas purification appa...
Patent number
10,119,446
Issue date
Nov 6, 2018
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deterioration diagnosis apparatus for exhaust gas purification appa...
Patent number
10,087,807
Issue date
Oct 2, 2018
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deterioration diagnosis apparatus for the exhaust gas purification...
Patent number
10,072,544
Issue date
Sep 11, 2018
Toyota Jidosha Kabushiki Kaisha
Hirotaka Saitoh
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Deterioration diagnosis apparatus for selective catalytic reduction...
Patent number
10,072,553
Issue date
Sep 11, 2018
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Abnormality detection apparatus for exhaust gas purification apparatus
Patent number
9,650,936
Issue date
May 16, 2017
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deterioration diagnosis device for an exhaust gas purification appa...
Patent number
9,617,900
Issue date
Apr 11, 2017
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Deterioration diagnosis device for an exhaust gas purification appa...
Patent number
9,611,776
Issue date
Apr 4, 2017
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
DIAGNOSIS APPARATUS AND DIAGNOSIS METHOD FOR NOx SENSOR
Publication number
20180258821
Publication date
Sep 13, 2018
Toyota Jidosha Kabushiki Kaisha
Masahiko MASUBUCHI
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
DIAGNOSIS APPARATUS FOR EXHAUST GAS SENSOR
Publication number
20180179979
Publication date
Jun 28, 2018
Toyota Jidosha Kabushiki Kaisha
Hiroshi MIYAMOTO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
DETERIORATION DIAGNOSIS APPARATUS FOR SELECTIVE CATALYTIC REDUCTION...
Publication number
20170167352
Publication date
Jun 15, 2017
Toyota Jidosha Kabushiki Kaisha
Koji HAGIWARA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DETERIORATION DIAGNOSIS APPARATUS FOR EXHAUST GAS PURIFICATION APPA...
Publication number
20170138245
Publication date
May 18, 2017
TOYOTA JIDOSHA KABUSHIKI KAISHA
Koji HAGIWARA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ABNORMALITY DIAGNOSIS APPARATUS FOR NOx STORAGE REDUCTION CATALYST
Publication number
20170030244
Publication date
Feb 2, 2017
Toyota Jidosha Kabushiki Kaisha
Koji HAGIWARA
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
DETERIORATION DIAGNOSIS APPARATUS FOR EXHAUST GAS PURIFICATION APPA...
Publication number
20170009626
Publication date
Jan 12, 2017
Toyota Jidosha Kabushiki Kaisha
Koji HAGIWARA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
DETERIORATION DIAGNOSIS DEVICE FOR AN EXHAUST GAS PURIFICATION APPA...
Publication number
20160237875
Publication date
Aug 18, 2016
Toyota Jidosha Kabushiki Kaisha
Koji HAGIWARA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DETERIORATION DIAGNOSIS APPARATUS FOR THE EXHAUST GAS PURIFICATION...
Publication number
20160186628
Publication date
Jun 30, 2016
Toyota Jidosha Kabushiki Kaisha
Hirotaka SAITOH
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
DETERIORATION DIAGNOSIS DEVICE FOR AN EXHAUST GAS PURIFICATION APPA...
Publication number
20160186638
Publication date
Jun 30, 2016
Toyota Jidosha Kabushiki Kaisha
Koji HAGIWARA
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
ABNORMALITY DETECTION APPARATUS FOR EXHAUST GAS PURIFICATION APPARATUS
Publication number
20150226105
Publication date
Aug 13, 2015
Toyota Jidosha Kabushiki Kaisha
Koji Hagiwara
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES