Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5603877 | Method for preparing silicon nitride based ceramics | Hideki Kato | 1997-02-18 |
| 5601764 | Process for making TiC-base/SiC whisker composite ceramic cutting tools | Shoji Sakakibara, Akiyasu Okuno, Masakazu Watanabe | 1997-02-11 |