Koji Kamikawa

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of main metal fitting for spark plug and manuf...
- Patent number 9,343,878
- Issue date May 17, 2016
- NGK Spark Plug Co., Ltd.
- Hajime Kawano
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF MAIN METAL FITTING FOR SPARK PLUG AND MANUF...
- Publication number 20140194026
- Publication date Jul 10, 2014
- NGK Spark Plug Co. Ltd
- Hajime Kawano
- H01 - BASIC ELECTRIC ELEMENTS