Kouzi Fusimi

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered silicon nitride and method for making the same
- Patent number 5,026,671
- Issue date Jun 25, 1991
- NGK Insulators, Ltd.
- Shigeru Hanzawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES