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Yasuo Ito
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Nagoya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Nonresonant type knock sensor
Patent number
6,752,005
Issue date
Jun 22, 2004
NGK Spark Plug Co., Ltd.
Sadamitsu Harada
G01 - MEASURING TESTING
Information
Patent Grant
Ignition control for fuel direct injection type engine
Patent number
6,176,216
Issue date
Jan 23, 2001
Denso Corporation
Kazuhiro Yamada
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Knock detection device for an internal combustion engine avoiding e...
Patent number
6,000,276
Issue date
Dec 14, 1999
Toyota Jidosha Kabushiki Kaisha
Kazuhisa Mogi
G01 - MEASURING TESTING
Information
Patent Grant
Knock control device for internal combustion engine
Patent number
5,979,406
Issue date
Nov 9, 1999
Toyota Jidosha Kabushiki Kaisha
Keiichiro Aoki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Combustion state detector apparatus for an internal combustion engine
Patent number
5,970,952
Issue date
Oct 26, 1999
Toyota Jidosha Kabushiki Kaisha
Kazuhisa Mogi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Knock detecting device for internal combustion engine
Patent number
5,959,192
Issue date
Sep 28, 1999
Toyota Jidosha Kabushiki Kaisha
Kazuhisa Mogi
G01 - MEASURING TESTING
Information
Patent Grant
Knocking detecting sensor
Patent number
5,939,616
Issue date
Aug 17, 1999
NGK Spark Plug Co., Ltd.
Yasuo Ito
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting condition of burning in internal combustion...
Patent number
5,866,808
Issue date
Feb 2, 1999
Denso Corporation
Shinji Ooyabu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Device for controlling knocking in an internal combustion engine
Patent number
5,836,285
Issue date
Nov 17, 1998
Toyota Jidosha Kabushiki Kaisha
Keiichiro Aoki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug voltage probe device in an internal combustion engine
Patent number
5,554,930
Issue date
Sep 10, 1996
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sparkplug voltage probe for use with an internal combustion engine...
Patent number
5,543,716
Issue date
Aug 6, 1996
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sparkplug voltage probe device having a capacitance compensating fu...
Patent number
5,491,417
Issue date
Feb 13, 1996
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug voltage probe device for use in an internal combustion e...
Patent number
5,477,148
Issue date
Dec 19, 1995
NGK Spark Plug Co. Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Snap-in type sparkplug voltage probe device for use in internal com...
Patent number
5,453,694
Issue date
Sep 26, 1995
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug voltage probe device for detecting a burning condition a...
Patent number
5,426,370
Issue date
Jun 20, 1995
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detector device for internal combustion engine
Patent number
5,400,760
Issue date
Mar 28, 1995
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detector for use in internal combustion engine
Patent number
5,365,910
Issue date
Nov 22, 1994
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for detecting deterioration of catalyst and measuring conver...
Patent number
5,357,750
Issue date
Oct 25, 1994
NGK Spark Plug Co., Ltd.
Yasuo Ito
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Sparkplug voltage detecting probe device for use in internal combus...
Patent number
5,355,056
Issue date
Oct 11, 1994
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug voltage probe for use with an internal combustion engine
Patent number
5,317,267
Issue date
May 31, 1994
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detector for use in internal combustion engine
Patent number
5,269,282
Issue date
Dec 14, 1993
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Burning condition detecting device and burning control device in an...
Patent number
5,253,627
Issue date
Oct 19, 1993
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for measuring conversion efficiency of catalyst and detectin...
Patent number
5,157,921
Issue date
Oct 27, 1992
NGK Spark Plug Co., Ltd.
Yasuo Ito
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Ignition system for internal combustion engines
Patent number
4,892,073
Issue date
Jan 9, 1990
Nippondenso Co., Ltd.
Noboru Yamamoto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Nonresonant type knock sensor
Publication number
20040250603
Publication date
Dec 16, 2004
NGK SPARK PLUG CO., LTD.
Sadamitsu Harada
G01 - MEASURING TESTING
Information
Patent Application
Nonresonant type knock sensor
Publication number
20030200790
Publication date
Oct 30, 2003
NGK SPARK PLUG CO., LTD.
Sadamitsu Harada
G01 - MEASURING TESTING