Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4335217 | SiC-Si.sub.3 N.sub.4 Composite system for special heat-resisting ceramic materials and its fabrication method | Tokuaki Hatta, Haruyuki Ueno, Yuji Katsura, Kazushige Fukuda | 1982-06-15 |