Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092123 | Control apparatus and vacuum pump provided with said control apparatus | — | 2024-09-17 |
| 11536280 | Vacuum pump, magnetic bearing device, and rotor | — | 2022-12-27 |
| 11499571 | Vacuum pump and vacuum-pump damper | — | 2022-11-15 |
| 11028853 | Electromagnetic unit, magnetic bearing device, and vacuum pump | — | 2021-06-08 |
| 10371159 | Magnetic bearing device, and vacuum pump having same | — | 2019-08-06 |
| 10359046 | Magnetic bearing device and vacuum pump | — | 2019-07-23 |
| 8248019 | Brushless motor | — | 2012-08-21 |
| 7786636 | Magnetic bearing device and a turbo molecular pump with the magnetic bearing device mounted thereto | — | 2010-08-31 |
| 7292425 | Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto | Hirotaka Namiki, Hideo Fukami | 2007-11-06 |
| 7091641 | Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto | Masayuki Yamamoto | 2006-08-15 |
| 6949853 | Magnetic bearing device and pump device with the magnetic bearing device mounted thereto | — | 2005-09-27 |
| 6759827 | Control circuit of brush-less motor, control circuit of sensor-less brush-less motor, brush-less motor apparatus, sensor-less brush-less motor apparatus and vacuum pump apparatus | — | 2004-07-06 |
| 6184640 | DC brushless motor, magnetic bearing device and turbomolecular pump device | — | 2001-02-06 |
| 5093754 | Control system for a magnetic levitation body | — | 1992-03-03 |