Tetsuro Urakawa

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Kariya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing .beta. type silicon nitride whiskers
- Patent number 4,521,393
- Issue date Jun 4, 1985
- Toshiba Ceramics Co. Limited
- Hajime Saito
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for preparing silicon nitride powder
- Patent number 4,514,370
- Issue date Apr 30, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Hiroshi Inoue
- C01 - INORGANIC CHEMISTRY