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Masaaki Nakayama
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Toyoake, JP
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Patents Grants
last 30 patents
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
Blow-by gas passage abnormality detecting system for internal combu...
Patent number
6,338,329
Issue date
Jan 15, 2002
Denso Corporation
Yoshinori Maegawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for detecting deterioration of catalyst for purifying exhaus...
Patent number
6,295,807
Issue date
Oct 2, 2001
Denso Corporation
Hisayo Douta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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
Blow-by gas passage abnormality detecting system for internal combu...
Patent number
6,247,464
Issue date
Jun 19, 2001
Denso Corporation
Yoshinori Maegawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Blow-by gas passage abnormality detecting system for internal combu...
Patent number
6,098,603
Issue date
Aug 8, 2000
Denso Corporation
Yoshinori Maegawa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Abnormality detection apparatus for preventing fuel gas emission
Patent number
6,082,337
Issue date
Jul 4, 2000
Denso Corporation
Takeshi Fujimoto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for detecting deterioration of catalyst for purifying exhaus...
Patent number
6,073,440
Issue date
Jun 13, 2000
Denso Corporation
Hisayo Douta
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Internal combustion engine misfire detection with engine accelerati...
Patent number
6,023,651
Issue date
Feb 8, 2000
Denso Corporation
Masaaki Nakayama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Catalyst deterioration detecting apparatus and exhaust emission con...
Patent number
5,727,383
Issue date
Mar 17, 1998
Nippondenso Co., Ltd.
Yukihiro Yamashita
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Self-diagnostic apparatus of air-fuel ratio control system of inter...
Patent number
5,672,817
Issue date
Sep 30, 1997
Nippondenso Co., Ltd.
Yasuo Sagisaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparartus for detecting deterioration of catalysts
Patent number
5,528,898
Issue date
Jun 25, 1996
Nippondenso Co., Ltd.
Masaaki Nakayama
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus for detecting misfire in internal combustion engine
Patent number
5,499,537
Issue date
Mar 19, 1996
Nippondenso Co., Ltd.
Masaaki Nakayama
G01 - MEASURING TESTING
Information
Patent Grant
Catalytic converter deterioration detecting system for engine
Patent number
5,412,942
Issue date
May 9, 1995
Nippondenso Co., Ltd.
Yasuo Mukai
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Control system with misfire detection function for internal combust...
Patent number
5,353,634
Issue date
Oct 11, 1994
Nippondenso Co., Ltd.
Yasutoshi Baba
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detecting apparatus for multicylinder internal combustion e...
Patent number
5,287,736
Issue date
Feb 22, 1994
Nippondenso Co., Ltd.
Masaaki Nakayama
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting misfire in internal combustion engine
Patent number
5,275,037
Issue date
Jan 4, 1994
Nippondenso Co., Ltd.
Masaaki Nakayama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for detecting misfire in multicylinder internal combustio...
Patent number
5,263,364
Issue date
Nov 23, 1993
Nippondenso Co., Ltd.
Masaaki Nakayama
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system with misfire detection function for internal combust...
Patent number
5,222,392
Issue date
Jun 29, 1993
Nippondenso Co., Ltd.
Yasutoshi Baba
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
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...
Information
Patent Application
Blow-by gas passage abnormality detecting system for internal combu...
Publication number
20010010214
Publication date
Aug 2, 2001
DENSO Corporation
Yoshinori Maegawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...