Masahiko Yamaguchi

Person

Obu-city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Degradation determination apparatus and degradation determination s...
- Patent number 7,885,757
- Issue date Feb 8, 2011
- DENSO CORPORATION
- Masahiko Yamaguchi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Abnormality diagnosis apparatus for secondary air supply system of...
- Patent number 7,797,924
- Issue date Sep 21, 2010
- Denso Corporation
- Keiji Wakahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Apparatus and method of abnormality diagnosis for supercharging pre...
- Patent number 7,677,227
- Issue date Mar 16, 2010
- Denso Corporation
- Yasuo Sagisaka
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Malfunction detection apparatus for pressure sensor
- Patent number 7,380,448
- Issue date Jun 3, 2008
- Denso Corporation
- Kuniaki Ueda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Diagnostic device for secondary air supply system
- Patent number 7,260,928
- Issue date Aug 28, 2007
- DENSO CORPORATION
- Keiji Wakahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Deterioration detecting apparatus and method for engine exhaust gas...
- Patent number 6,470,674
- Issue date Oct 29, 2002
- Denso Corporation
- Masahiko Yamaguchi
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Apparatus for detecting deterioration of exhaust gas purifying cata...
- Patent number 6,463,735
- Issue date Oct 15, 2002
- Denso Corporation
- Shujiro Morinaga
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus for detecting leakage of vapor purge system
- Patent number 6,289,880
- Issue date Sep 18, 2001
- Denso Corporation
- Masahiko Yamaguchi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Abnormality diagnosing system for air/fuel ratio feedback control s...
- Patent number 5,964,208
- Issue date Oct 12, 1999
- Denso Corporation
- Yukihiro Yamashita
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
EXHAUST GAS SENSOR HEATER DEGRADATION DIAGNOSIS DEVICE
- Publication number 20100269805
- Publication date Oct 28, 2010
- DENSO CORPORATION
- Hiroyuki FUKUDA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Degradation determination apparatus and degradation determination s...
- Publication number 20090259390
- Publication date Oct 15, 2009
- DENSO CORPORATION
- Masahiko YAMAGUCHI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Malfunction detection apparatus for pressure sensor
- Publication number 20060277907
- Publication date Dec 14, 2006
- DENSO CORPORATION
- Kuniaki Ueda
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Apparatus and method of abnormality diagnosis for supercharging pre...
- Publication number 20060248889
- Publication date Nov 9, 2006
- DENSO CORPORATION
- Yasuo Sagisaka
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Abnormality diagnosis apparatus for secondary air supply system of...
- Publication number 20060090455
- Publication date May 4, 2006
- DENSO CORPORATION
- Keiji Wakahara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Diagnostic device for secondary air supply system
- Publication number 20060059898
- Publication date Mar 23, 2006
- DENSO CORPORATION
- Keiji Wakahara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Apparatus for detecting deterioration of exhaust gas purifying cata...
- Publication number 20020026789
- Publication date Mar 7, 2002
- Shujiro Morinaga
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Masahiko Yamaguchi

Person

Patents Grantslast 30 patents

Degradation determination apparatus and degradation determination s...

Abnormality diagnosis apparatus for secondary air supply system of...

Apparatus and method of abnormality diagnosis for supercharging pre...

Malfunction detection apparatus for pressure sensor

Diagnostic device for secondary air supply system

Deterioration detecting apparatus and method for engine exhaust gas...

Apparatus for detecting deterioration of exhaust gas purifying cata...

Apparatus for detecting leakage of vapor purge system

Abnormality diagnosing system for air/fuel ratio feedback control s...

Patents Applicationslast 30 patents

EXHAUST GAS SENSOR HEATER DEGRADATION DIAGNOSIS DEVICE

Degradation determination apparatus and degradation determination s...

Malfunction detection apparatus for pressure sensor

Apparatus and method of abnormality diagnosis for supercharging pre...

Abnormality diagnosis apparatus for secondary air supply system of...

Diagnostic device for secondary air supply system

Apparatus for detecting deterioration of exhaust gas purifying cata...