Ryotaro TAWARA

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Patents Grantslast 30 patents

Information Patent Grant
Piezoceramic material, piezoelectric element and non-resonance knoc...
- Patent number 8,040,024
- Issue date Oct 18, 2011
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
PIEZOCERAMIC MATERIAL, PIEZOELECTRIC ELEMENT AND NON-RESONANCE KNOC...
- Publication number 20090223282
- Publication date Sep 10, 2009
- NGK SPARK PLUG CO., LTD.
- Masato YAMAZAKI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES