Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391284 | Vacuum pumping device and vacuum pumping device starting method | — | 2022-07-19 |
| 10404118 | Vacuum pump | Taiki NISHIMURA, Koichi Shimizu | 2019-09-03 |
| 9816562 | Vacuum pump | Koichi Shimizu | 2017-11-14 |
| 9714661 | Vacuum pump | Kohei Oue | 2017-07-25 |
| 8292603 | Rotary vacuum pump, vacuum device, and pump connection structure | Fusao Nakamura, Kohei Oue | 2012-10-23 |