Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867807 | Method for superplastic warm-die and pack forging of high-strength low-ductility material | Masahito Katoh, Yoshinori Nakawawa | 1989-09-19 |
| 4600446 | Method for tempering and working high strength low ductile alloy | Kiyoyuki Ohuchi, Yoshinori Nakazawa | 1986-07-15 |