Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714661 | Vacuum pump | Osamu Ashida | 2017-07-25 |
| D691640 | Vacuum pump | — | 2013-10-15 |
| 8292603 | Rotary vacuum pump, vacuum device, and pump connection structure | Fusao Nakamura, Osamu Ashida | 2012-10-23 |