Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392352 | Vacuum exhaust apparatus and vacuum pump used therein | Yasushi Maejima, Tsutomu Takaada | 2025-08-19 |
| 12158152 | Vacuum pump and stator component of thread groove pump portion of the vacuum pump | Yasushi Maejima, Tsutomu Takaada, Toshiki Yamaguchi | 2024-12-03 |
| 11946482 | Vacuum pump, rotor, and washer | Katsuhisa Yokozuka, Yasushi Maejima, Tsutomu Takaada | 2024-04-02 |
| 11898565 | Vacuum pump and linked-type thread groove spacer | Kengo Saegusa, Nahoko Yoshihara | 2024-02-13 |
| 11889595 | Vacuum pump and heating device therefor | Yasushi Maejima, Tsutomu Takaada | 2024-01-30 |
| 11480182 | Vacuum pump, cylindrical portion used in vacuum pump, and base portion | Yasushi Maejima, Tsutomu Takaada | 2022-10-25 |
| 11466692 | Adaptor and vacuum pump | Yasushi Maejima, Tsutomu Takaada | 2022-10-11 |
| 11384770 | Vacuum pump, and control device of vacuum pump | Hideo Fukami, Yasushi Maejima, Tsutomu Takaada | 2022-07-12 |
| 10704555 | Stator-side member and vacuum pump | Yoshiyuki Sakaguchi, Akihiro Ito, Yasushi Maejima, Tsutomu Takaada | 2020-07-07 |
| 10578158 | Vacuum pump and abnormality cause estimating method for vacuum pump | Yasushi Maejima, Tsutomu Takaada, Manabu Nonaka | 2020-03-03 |
| 10480523 | Vacuum pump | Yasushi Maejima, Tsutomu Takaada | 2019-11-19 |
| 10364814 | Vacuum pump | Yongwei Shi, Manabu Nonaka, Yasushi Maejima, Tsutomu Takaada | 2019-07-30 |
| 10001126 | Vacuum pump | Tooru Miwata, Keiichi Ishii, Katsuhide Machida, Yasushi Maejima, Tsutomu Takaada | 2018-06-19 |
| 9982682 | Rotor and vacuum pump equipped with same | Yasushi Maejima, Tsutomu Takaada, Yoshiyuki Sakaguchi, Yoshiyuki Takai | 2018-05-29 |
| 9790946 | Exhaust pump | Yasushi Maejima, Tsutomu Takaada | 2017-10-17 |
| 8690525 | Vacuum pump | Manabu Nonaka, Yasushi Maejima | 2014-04-08 |
| 8403652 | Molecular pump and flange having shock absorbing member | Yasushi Maejima, Rumiko Wada, Yoshihiro Enomoto, Chris Bailey, Dawn Stephenson +1 more | 2013-03-26 |
| 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 | Hideo Fukami, Hirotaka Namiki | 2009-12-15 |
| 6840736 | Vacuum pump | Hirotaka Namiki, Takaharu Ishikawa, Akira Yamauchi | 2005-01-11 |
| 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 | Hideo Fukami, Hirotaka Namiki | 2004-10-19 |
| 6575713 | Vaccum pump | Hirotaka Namiki, Akira Yamauchi | 2003-06-10 |
| 6324134 | Disk recording and reproducing apparatus | Hirotaka Namiki, Akira Shimada, Yutaka Segawa, Ikuo Muto | 2001-11-27 |
| 6298279 | CAD/CAM apparatus and machining apparatus for processing position/force information | Akira Shimada, Hideshi Kamiya, Hiroyuki Makinoshima, Hiroyuki Sakamaki | 2001-10-02 |
| 6294890 | Robot controller | Akira Shimada, Tsutomu Mita | 2001-09-25 |
| 6253120 | Position and/or force controlling apparatus using sliding mode decoupling control | Akira Shimada, Tsutomu Mita | 2001-06-26 |