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Koji Okazaki
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Nagoya, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spark plug and method for manufacturing spark plug
Patent number
9,843,166
Issue date
Dec 12, 2017
NGK Spark Plug Co., Ltd.
Koji Okazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spark plug having combustion pressure detecting function
Patent number
7,272,970
Issue date
Sep 25, 2007
NGK Spark Plug Co., Ltd.
Keiji Ozeki
G01 - MEASURING TESTING
Information
Patent Grant
Glow plug with combustion pressure detecting function
Patent number
7,185,621
Issue date
Mar 6, 2007
NGK Spark Plug Co., Ltd.
Tatsunori Yamada
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Pressure sensor unit having a ring-like pressure sensing element
Patent number
7,107,819
Issue date
Sep 19, 2006
NGK Spark Plug Co., Ltd.
Koji Okazaki
G01 - MEASURING TESTING
Information
Patent Grant
Charge amplifier for piezoelectric pressure sensor
Patent number
7,042,288
Issue date
May 9, 2006
NGK Spark Plus Co., Ltd.
Masayoshi Matsui
G01 - MEASURING TESTING
Information
Patent Grant
Glow plug with built-in combustion pressure sensor and manufacturin...
Patent number
6,979,801
Issue date
Dec 27, 2005
NGK Spark Plug Co., Ltd.
Koji Okazaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
Misfire deciding method and misfire deciding system for internal co...
Patent number
6,776,032
Issue date
Aug 17, 2004
NGK Spark Plug Co., Ltd.
Masayoshi Matsui
G01 - MEASURING TESTING
Information
Patent Grant
Spark plug cap and spark plug fitting method
Patent number
6,570,304
Issue date
May 27, 2003
NGK Spark Plug Co., Ltd.
Koji Okazaki
G01 - MEASURING TESTING
Information
Patent Grant
Pressure sensor-incorporating spark plug
Patent number
6,559,577
Issue date
May 6, 2003
NGK Spark Plug Co., Ltd.
Koji Okazaki
G01 - MEASURING TESTING
Information
Patent Grant
Spark plug with igniting portion chip composition
Patent number
5,894,186
Issue date
Apr 13, 1999
NGK Spark Plug Co., Ltd.
Wataru Matsutani
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SPARK PLUG AND METHOD FOR MANUFACTURING SPARK PLUG
Publication number
20160079739
Publication date
Mar 17, 2016
NGK Spark Plug Co., Ltd.
Koji OKAZAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Spark plug having combustion pressure detecting function
Publication number
20060284535
Publication date
Dec 21, 2006
NGK SPARK PLUG CO., LTD.
Keiji Ozeki
G01 - MEASURING TESTING
Information
Patent Application
Glow plug with combustion pressure detecting function
Publication number
20060032472
Publication date
Feb 16, 2006
NGK SPARK PLUG CO., LTD.
Tatsunori Yamada
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Glow plug with built-in combustion pressure sensor
Publication number
20040182144
Publication date
Sep 23, 2004
NGK SPARK PLUG CO., LTD.
Koji Okazaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Glow plug with built-in combustion pressure sensor and manufacturin...
Publication number
20040182145
Publication date
Sep 23, 2004
NGK SPARK PLUG CO. LTD.
Koji Okazaki
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
Charge amplifier for piezoelectric pressure sensor
Publication number
20040075498
Publication date
Apr 22, 2004
Masayoshi Matsui
G01 - MEASURING TESTING
Information
Patent Application
Pressure sensor unit
Publication number
20040055388
Publication date
Mar 25, 2004
Koji Okazaki
G01 - MEASURING TESTING
Information
Patent Application
Misfire deciding method and misfire deciding system for internal co...
Publication number
20020183919
Publication date
Dec 5, 2002
NGK SPARK PLUG CO., LTD.
Masayoshi Matsui
G01 - MEASURING TESTING
Information
Patent Application
Pressure sensor-incorporating spark plug
Publication number
20020047507
Publication date
Apr 25, 2002
NGK SPARK PLUG CO., LTD.
Koji Okazaki
G01 - MEASURING TESTING