Tetsuya Maeda

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Konan-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Silicon nitride-melilite composite sintered body and device utilizi...
- Patent number 8,071,496
- Issue date Dec 6, 2011
- NGK Spark Plug Co., Ltd.
- Yasushi Hara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
SILICON NITRIDE-MELILITE COMPOSITE SINTERED BODY AND DEVICE UTILIZI...
- Publication number 20100130345
- Publication date May 27, 2010
- NGK Spark Plug Co., Ltd.
- Yasushi HARA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES