Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294795 | Stabilized electrocast zirconia refractories | Toshikatsu Haga, Hiroyuki Fukuda, Hiroshi Shinoda | 1981-10-13 |
| 4288251 | Reinforced electrocast zirconia refractories | Toshikatsu Haga, Hiroyuki Fukuda, Hiroshi Shinoda | 1981-09-08 |