Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735201 | Apparatus including mutually communicating hydraulic cylinders for even distribution of blank-holding force on pressing machine | Kazunari Kirii, Munetaka Toda | 1998-04-07 |
| 5687598 | Press having cushioning cylinders each having two chambers whose pressure difference is adjustable to control blank-holding force | Kazunari Kirii | 1997-11-18 |