Hirosi Matuoka

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric ceramic materials
- Patent number 4,765,919
- Issue date Aug 23, 1988
- Nippon Soken, Inc.
- Masahiro Tomita
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES