Mitsushiro Kondo

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Kounan-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spark plug with improved withstand voltage characteristics and high...
- Patent number 9,362,722
- Issue date Jun 7, 2016
- NGK Spark Plug Co., Ltd.
- Katsuya Takaoka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SPARK PLUG
- Publication number 20150047880
- Publication date Feb 19, 2015
- NGK Spark Plug Co., Ltd.
- Katsuya Takaoka
- H01 - BASIC ELECTRIC ELEMENTS