Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595718 | Process for producing a crystalline silicon nitride powder | Tetsuo Yamada, Takeshi Yamao, Yasukazu Kondo, Hideo Nakamura | 1997-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5595718 | Process for producing a crystalline silicon nitride powder | Tetsuo Yamada, Takeshi Yamao, Yasukazu Kondo, Hideo Nakamura | 1997-01-21 |