Ryuichi Ono

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Niwa-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug and method of manufacturing the same
- Patent number 9,065,255
- Issue date Jun 23, 2015
- NGK Spark Plug Co., Ltd.
- Nobuaki Sakayanagi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG AND METHOD OF MANUFACTURING THE SAME
- Publication number 20130278133
- Publication date Oct 24, 2013
- NGK Spark Plug Co., Ltd.
- Nobuaki Sakayanagi
- H01 - BASIC ELECTRIC ELEMENTS