Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7855162 | Needle-shaped ceramic body, needle-shaped ceramic catalyst body and method for producing same | Jayaseelan Daniel Doni, Hideki Kita, Naoki Kondo, Shunkichi Ueno, Tatsuki Ohji +3 more | 2010-12-21 |
| 7442661 | Boron carbide based sintered compact and method for preparation thereof | Kiyoshi Hirao, Shuji Sakaguchi, Yukihiko Yamauchi, Suzuya Yamada | 2008-10-28 |
| 7417002 | Boron carbide based sintered compact and method for preparation thereof | Kiyoshi Hirao, Shuji Sakaguchi, Yukihiko Yamauchi, Suzuya Yamada | 2008-08-26 |
| 5705449 | High-strength, high-toughness silicon nitride sinter | Kiyoshi Hirao, Manuel E. Brito | 1998-01-06 |
| 5674793 | Method for producing a high-strength, high-toughness silicon nitride sinter | Kiyoshi Hirao, Manuel E. Brito | 1997-10-07 |
| 5447894 | Sintered ceramic article formed mainly of alumina | Masaki Yasuoka, Kiyoshi Hirao | 1995-09-05 |
| 4975394 | Sintered high density silicon oxnitride and method for making the same | Masayoshi Ohashi, Hideyo Tabata, Osami Abe, Tooru Shimamori, Koichi Moori | 1990-12-04 |
| 4895814 | Process for producing alumina silica sintered ceramics having improved high-temperature strength | Hideyo Tabata, Osami Abe, Ohta Shigetoshi, Yamagishi Chitake, Mitachi Senshu | 1990-01-23 |
| 4784818 | Method for molding superplastic ceramic | Fumihiro Wakai, Shuji Sakaguchi | 1988-11-15 |