Hisayuki Imamura

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing porous silicon nitride ceramics having high str...
- Patent number 5,968,426
- Issue date Oct 19, 1999
- Japan as represented by Director General of Agency of Industrial Science and...
- Kiyoshi Hirao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES