Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466829 | Tungsten carbide-base hard alloy for hot-working apparatus members | Kenichi Nishigaki, Keiichi Wakashima | 1984-08-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466829 | Tungsten carbide-base hard alloy for hot-working apparatus members | Kenichi Nishigaki, Keiichi Wakashima | 1984-08-21 |