Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7138183 | Environmental barrier coating material and coating structure and ceramic structure using the same | Tooru Hisamatsu, Isao Yuri, Shunkichi Ueno, Tatsuki Ohji | 2006-11-21 |
| 6194336 | Highly toughened alumina sintered bodies and their manufacturing process | Yu-ichi Yoshizawa, Motohiro Toriyama | 2001-02-27 |
| 5968426 | Method of producing porous silicon nitride ceramics having high strength and low thermal conductivity | Kiyoshi Hirao, Manuel E. Brito, Motohiro Toriyama, Hisayuki Imamura, Takene Hirai +1 more | 1999-10-19 |
| 5935888 | Porous silicon nitride with rodlike grains oriented | Motohiro Toriyama, Kiyoshi Hirao, Manuel E. Brito, Yasuhiro Shigegaki | 1999-08-10 |
| 5902542 | Method of producing silicon nitride ceramics having thermal high conductivity | Kiyoshi Hirao, Koji Watari, Motohiro Toriyama, Masaaki Obata | 1999-05-11 |
| 5866245 | Silicon nitride ceramics having a high reliability and a method for production thereof | Motohiro Toriyama, Kiyoshi Hirao, Manuel E. Brito, Yasuhiro Shigegaki | 1999-02-02 |
| 5837633 | Method for production of aluminum nitride sintered body and aluminum nitride powder | Motohiro Toriyama, Kiyoshi Hirao, Masayoshi Ohashi, Masaaki Obata | 1998-11-17 |