Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665291 | Method for producing high density sintered silicon nitride(Si.sub.3 N.sub.4 ) | Tsuneo Tatsuno, Hiroshi Okada, Masato Moritoki, Takao Fujikawa | 1997-09-09 |
| 5603876 | Method for producing high density sintered silicon nitride (SI.sub.3 N.sub. 4 | Tsuneo Tatsuno, Hiroshi Okada, Masato Moritoki, Takao Fujikawa | 1997-02-18 |
| 5445776 | Method for producing high density sintered silicon nitride (Si.sub.3 N.sub. 4 | Tsuneo Tatsuno, Hiroshi Okada, Masato Moritoki, Takao Fujikawa | 1995-08-29 |