Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688154 | Die for forging rotor, forge production system and forging method using the die, and rotor | Hidemi Yamada, Keiichi Yokoi | 2004-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688154 | Die for forging rotor, forge production system and forging method using the die, and rotor | Hidemi Yamada, Keiichi Yokoi | 2004-02-10 |