Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890145 | Vacuum pump | Yasushi Maejima, Shinji Kawanishi, Yoshiyuki Sakaguchi, Satoshi Okudera, Kenji Kabata +1 more | 2005-05-10 |
| 6559568 | Magnetic bearing type vacuum pump | Yasushi Maejima | 2003-05-06 |