Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686366 | Process for producing platelet .alpha.-Al.sub.2 O.sub.3 based ceramic composite | Takashi Koyama | 1997-11-11 |
| 5637269 | Process for forming a sintered composite boron carbide body | — | 1997-06-10 |