Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797660 | Silicon nitride wear resistant member and manufacturing method thereof | — | 2004-09-28 |
| 6784131 | Silicon nitride wear resistant member and method of manufacturing the member | Hiroki Tonai, Hiroshi Komorita | 2004-08-31 |