Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665291 | Method for producing high density sintered silicon nitride(Si.sub.3 N.sub.4 ) | Katuhiko Honma, Hiroshi Okada, Masato Moritoki, Takao Fujikawa | 1997-09-09 |
| 5603876 | Method for producing high density sintered silicon nitride (SI.sub.3 N.sub. 4 | Katuhiko Honma, Hiroshi Okada, Masato Moritoki, Takao Fujikawa | 1997-02-18 |