Seigo Ohiwa

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum nitride powder capable of forming colored sintered body an...
- Patent number 5,459,113
- Issue date Oct 17, 1995
- Sumitomo Metal Ceramics Inc.
- Toshio Nozaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES