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Teruyuki Kondo
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Kasugai-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Spark plug for internal combustion engine
Patent number
8,288,928
Issue date
Oct 16, 2012
NGK Spark Plug Co., Ltd.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Spark plug for internal combustion engine
Patent number
7,825,571
Issue date
Nov 2, 2010
NGK Spark Plug Co., Ltd.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
Publication number
20110012500
Publication date
Jan 20, 2011
NGK SPARK PLUG CO., LTD.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Spark plug for internal combustion engine
Publication number
20060170320
Publication date
Aug 3, 2006
NGK SPARK PLUG CO., LTD.
Kenichi Kumagai
H01 - BASIC ELECTRIC ELEMENTS