Akira Sano

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Kariya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making silicon nitride powder
- Patent number 4,986,972
- Issue date Jan 22, 1991
- Toshiba Ceramics Co., Ltd.
- Toshitsuga Ishii
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for manufacturing powdered silicon nitride
- Patent number 4,640,023
- Issue date Feb 3, 1987
- Director General of Agency of Industrial Science and Technology
- Masaaki Mori
- C01 - INORGANIC CHEMISTRY