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Noriaki Kondo
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Aichi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Knock sensor
Patent number
7,475,589
Issue date
Jan 13, 2009
NGK Spark Plug Co., Ltd.
Hiroyuki Kuno
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting concentration of nitrogen oxide
Patent number
7,462,266
Issue date
Dec 9, 2008
NGK Spark Plug Co., Ltd.
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for detecting concentration of nitrogen oxide
Patent number
6,533,921
Issue date
Mar 18, 2003
NGK Spark Plug Co., Ltd.
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Grant
Method of controlling a direct fuel injection engine and storage me...
Patent number
6,371,078
Issue date
Apr 16, 2002
NGK Spark Plug Co., Ltd.
Noriaki Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Connector for NOx sensor
Patent number
6,352,632
Issue date
Mar 5, 2002
NGK Spark Plug Co., Ltd.
Hiroshi Inagaki
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for detecting a functional condition on an NOx...
Patent number
6,309,536
Issue date
Oct 30, 2001
NGK Spark Plug Co., Ltd.
Hirosi Inagaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for detecting concentration of nitrogen oxide
Patent number
6,228,252
Issue date
May 8, 2001
NGK Spark Plug Co. Ltd.
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Grant
Ion current detection apparatus
Patent number
6,222,368
Issue date
Apr 24, 2001
NGK Spark Plug Co., Ltd.
Hiroshi Inagaki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for measuring oxygen concentration and nitroge...
Patent number
6,214,207
Issue date
Apr 10, 2001
NGK Spark Plug Co., Ltd.
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Grant
NOx-concentration detecting apparatus
Patent number
6,082,176
Issue date
Jul 4, 2000
NGK Spark Plug Co., Ltd.
Noriaki Kondo
G01 - MEASURING TESTING
Information
Patent Grant
Air/fuel ratio detection device and an air/fuel ratio control device
Patent number
6,055,844
Issue date
May 2, 2000
NGK Spark Plug Co., Ltd.
Noriaki Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and a device for controlling an air/fuel ratio sensor
Patent number
5,895,564
Issue date
Apr 20, 1999
NGK Spark Plug Co., Ltd.
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Grant
Oxygen sensor for preventing silicon poisoning
Patent number
5,849,165
Issue date
Dec 15, 1998
NGK Spark Plug Co. Ltd.
Takao Kojima
G01 - MEASURING TESTING
Information
Patent Grant
Misfire detecting device
Patent number
5,754,051
Issue date
May 19, 1998
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detecting device for multi-cylinder internal combustion engine
Patent number
5,727,534
Issue date
Mar 17, 1998
NGK Spark Plug Co., Ltd.
Noriaki Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Structure and production process for secondary voltage detector for...
Patent number
5,710,512
Issue date
Jan 20, 1998
NGK Spark Plug Co., Ltd.
Noriaki Kondo
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of detecting misfire of engine ignition system and device fo...
Patent number
5,592,926
Issue date
Jan 14, 1997
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Misfire detecting device
Patent number
5,581,188
Issue date
Dec 3, 1996
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Oxygen sensor element
Patent number
5,538,612
Issue date
Jul 23, 1996
NGK Spark Plug Co., Ltd.
Takao Kojima
G01 - MEASURING TESTING
Information
Patent Grant
Device for detecting misfire of internal combustion engine equipped...
Patent number
5,503,132
Issue date
Apr 2, 1996
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Spark plug voltage detector probe having a replaceable cable fixing...
Patent number
5,450,013
Issue date
Sep 12, 1995
NGK Spark Plug Co., Ltd.
Shigeru Miyata
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Oxygen-sensor element
Patent number
5,443,711
Issue date
Aug 22, 1995
NGK Spark Plug Co., Ltd.
Takao Kojima
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for evaluating an oxygen sensor
Patent number
4,825,683
Issue date
May 2, 1989
NGK Spark Plug Co., Ltd.
Akio Takami
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Knock sensor
Publication number
20060207312
Publication date
Sep 21, 2006
NGK SPARK PLUG CO., LTD.
Hiroyuki Kuno
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for detecting concentration of nitrogen oxide
Publication number
20030106808
Publication date
Jun 12, 2003
Shigeru Miyata
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for detecting concentration of nitrogen oxide
Publication number
20010000598
Publication date
May 3, 2001
Shigeru Miyata
G01 - MEASURING TESTING