Number | Date | Country | Kind |
---|---|---|---|
8-218809 | Aug 1996 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5096859 | Sakai et al. | Mar 1992 | |
5118644 | Watanabe et al. | Jun 1992 | |
5316856 | Suzuki et al. | May 1994 | |
5545597 | Yeckley | Aug 1996 | |
5631200 | Ukegawa et al. | May 1997 | |
5691261 | Takahashi et al. | Nov 1997 |
Number | Date | Country |
---|---|---|
64-61358 | Mar 1989 | JPX |
64-56368 | Mar 1989 | JPX |
64-61357 | Mar 1989 | JPX |
3-205363 | Sep 1991 | JPX |
3-290369 | Dec 1991 | JPX |
6-227866 | Aug 1994 | JPX |
6-219840 | Aug 1994 | JPX |
7-29855 B2 | Apr 1995 | JPX |
7-33290 B2 | Apr 1995 | JPX |
Entry |
---|
Patent Abstracts of Japan, Publication No. 6-227866A, Publication Date: Aug. 16, 1994. |
M. Isomura et al. "High-strength silicon nitride ceramics and their manufacture", Chemical Abstracts, vol. 118, No. 8, Abstract No. 65444, Feb. 22, 1993. |