Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477882 | Forming machine | Yuichi Nagao, Yoshihisa Doi | 2002-11-12 |
| 6389868 | Forging die incorporated with a forging apparatus | Yuichi Nagao, Yoshihisa Doi | 2002-05-21 |
| 6205828 | Forging die, and method and apparatus for controlling the same | Yuichi Nagao, Yoshihisa Doi | 2001-03-27 |