Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404863 | Vacuum pump and control device | — | 2025-09-02 |
| 12359673 | Vacuum pump and control device | Ryutaro Honma, Kazuya Kasahara | 2025-07-15 |
| 12152605 | Vacuum pump and controller | — | 2024-11-26 |
| 12066029 | Vacuum pump and controller | — | 2024-08-20 |
| 11971042 | Vacuum pump and control device for vacuum pump | — | 2024-04-30 |
| 11680572 | Vacuum pump and magnetic bearing controller with multiple rigidity modes at high and low gains | Yoshimasa Ezawa, Kou Sato | 2023-06-20 |
| 11549515 | Vacuum pump, temperature adjustment controller used for vacuum pump, inspection tool, and method of diagnosing temperature-adjustment function unit | Masatoshi Ishibashi | 2023-01-10 |
| 11384770 | Vacuum pump, and control device of vacuum pump | Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada | 2022-07-12 |
| 11359634 | Vacuum pump and temperature control device | — | 2022-06-14 |
| RE41035 | Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto | Yoshinobu Ohtachi, Hirotaka Namiki | 2009-12-15 |
| 7292425 | Magnetic bearing device and turbo molecular pump with the magnetic bearing device mounted thereto | Toshiaki Kawashima, Hirotaka Namiki | 2007-11-06 |
| D503711 | Data entry keyboard for computers | Keisuke Tsuji | 2005-04-05 |
| D502913 | Charger for data entry equipment | Keisuke Tsuji | 2005-03-15 |
| 6806606 | Magnetic bearing device with vibration restraining function, magnetic bearing device with vibration estimating function, and pump device with the magnetic bearing devices mounted thereto | Yoshinobu Ohtachi, Hirotaka Namiki | 2004-10-19 |
| 5975780 | Keyboard cover | — | 1999-11-02 |