Koichi Awano

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Wako-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sensor deterioration judging apparatus and sensor deterioration jud...
- Patent number 8,187,436
- Issue date May 29, 2012
- NGK Spark Plug Co., Ltd.
- Seiji Oya
- G01 - MEASURING TESTING
Information Patent Grant
Sensor deterioration judging apparatus and sensor deterioration jud...
- Patent number 7,972,488
- Issue date Jul 5, 2011
- NGK Spark Plug Co., Ltd.
- Seiji Oya
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Sensor deterioration judging apparatus and sensor deterioration jud...
- Publication number 20070119709
- Publication date May 31, 2007
- NGK SPARK PLUG CO., LTD.
- Seiji Oya
- G01 - MEASURING TESTING
Information Patent Application
Sensor deterioration judging apparatus and sensor deterioration jud...
- Publication number 20070119708
- Publication date May 31, 2007
- NGK SPARK PLUG CO., LTD.
- Seiji Oya
- G01 - MEASURING TESTING