Issued Patents 2020
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864573 | Hydraulic knockout device | — | 2020-12-15 |
| 10780485 | Die cushion device | — | 2020-09-22 |
| 10675668 | Device and method of shim adjusting of die-cushion device | — | 2020-06-09 |
| 10603709 | Die cushion device | Tadahiro Kondo | 2020-03-31 |
| 10535487 | Manufacturing method of electron tube | Tsuyoshi Kodama, Shinichi Hara, Kazuto Ohashi | 2020-01-14 |