Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676918 | Method of producing silicon carbide fibers | Keihachiro Nakajima | 1997-10-14 |
| 5618510 | Process for producing silicon carbide material | Keihachiro Nakajima, Hitoshi Kato | 1997-04-08 |