Norobu Ishida

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydrogen gas sensor
- Patent number 7,276,141
- Issue date Oct 2, 2007
- NGK Spark Plug Co., Ltd.
- Norihiko Nadanami
- G01 - MEASURING TESTING
Information Patent Grant
Hydrogen gas sensor
- Patent number 6,652,723
- Issue date Nov 25, 2003
- NGK Spark Plug Co., Ltd.
- Norihiko Nadanami
- G01 - MEASURING TESTING