Tomohiro Iwaida

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Kokubu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered product of silicon nitride
- Patent number 5,804,523
- Issue date Sep 8, 1998
- Kyocera Corporation
- Takehiro Oda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES