Norihira Takai

Follow

Person

Yamato, JP

People

Patents Grantslast 30 patents

Information Patent Grant
.beta.'-Sialon sintered body and a method for manufacturing the same
- Patent number 4,243,621
- Issue date Jan 6, 1981
- Toshiba Ceramics Co., Ltd.
- Masaaki Mori
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for preparing silicon nitride powder having a high .alpha.-...
- Patent number 4,122,152
- Issue date Oct 24, 1978
- Toshiba Ceramics Co., Ltd.
- Masaaki Mori
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES