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Kichio Nakahara
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Aichi, JP
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last 30 patents
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Patent Grant
Two-cycle engine
Patent number
4,532,896
Issue date
Aug 6, 1985
NGK Spark Plug Co., Ltd.
Kichio Nakahara
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Sparkplug with improved antifouling performance
Patent number
4,427,914
Issue date
Jan 24, 1984
NGK Spark Plug Co., Ltd.
Hisao Mizuno
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
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