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Nagoya, JP
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Patents Grants
last 30 patents
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Patent Grant
Plasma-jet spark plug and ignition system
Patent number
7,328,677
Issue date
Feb 12, 2008
NGK Spark Plug Co., Ltd.
Katsunori Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma-jet spark plug and ignition system
Patent number
7,305,954
Issue date
Dec 11, 2007
NGK Spark Plug Co., Ltd.
Katsunori Hagiwara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Plasma-jet spark plug and ignition system
Publication number
20070221156
Publication date
Sep 27, 2007
NGK SPARK PLUG CO., LTD.
Katsunori Hagiwara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Plasma-jet spark plug and ignition system
Publication number
20070221157
Publication date
Sep 27, 2007
NGK SPARK PLUG CO., LTD.
Katsunori Hagiwara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS