Koji Matsubara

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Omihachiman, JP

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Patents Grantslast 30 patents

Information Patent Grant
Piezoelectric ceramic and surface wave device using the same
- Patent number 6,383,408
- Issue date May 7, 2002
- Murata Manufacturing Co., Ltd.
- Katsuhiro Horikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES