Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9808848 | Die cushion apparatus of press machine and die cushion controlling method | Yasuyuki Kohno, Ryosho Iwamura | 2017-11-07 |
| 9782816 | Die cushion device | Yasuyuki Kohno | 2017-10-10 |
| 9694412 | Drawing method and servo press system | Yasuyuki Kohno, Ryosho Iwamura | 2017-07-04 |