Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343167 | Roller-dies-processing method and apparatus | Yoshimichi Hasegawa, Osamu Furuta, Hideo Nakamura | 1982-08-10 |
| 4283930 | Roller-dies-processing method and apparatus | Yoshimichi Hasegawa, Osamu Furuta, Hideo Nakamura | 1981-08-18 |