Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9501052 | Die cushion force control method and die cushion apparatus | Yasuyuki Kohno, Tadahiro Kondo, Kazufumi Tsuchida | 2016-11-22 |
| 8037735 | Die cushion apparatus of press machine | Yasuyuki Kohno | 2011-10-18 |
| 7401548 | Movable plate drive device and press slide drive device | Yasuyuki Kohno | 2008-07-22 |