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Takahito Yamamota
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Aichi, JP
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last 30 patents
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Patent Grant
Sparkplug with antifouling coating on discharge end of insulator
Patent number
4,415,828
Issue date
Nov 15, 1983
NGK Spark Plug Co., Ltd.
Hisao Mizuno
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS