Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984445 | Ceramic isothermal forging die | Kiyoyuki Ohuchi, Kenichi Matsuno | 1991-01-15 |
| 4600446 | Method for tempering and working high strength low ductile alloy | Yasunori Torisaka, Kiyoyuki Ohuchi | 1986-07-15 |