Issued Patents 1982
Showing 1–2 of 2 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, Yuji Katsura, Kazushige Fukuda, Hiroshi Kubota | 1982-06-15 |
| 4310480 | Process for fabrication of dense-structure refractories which have resistance to spalling | Shyoichiro Fujimoto | 1982-01-12 |