Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204038 | Vacuum pump, and magnetic bearing device and annular electromagnet used in vacuum pump | Yongwei Shi, Yoshiyuki Sakaguchi | 2021-12-21 |
| 11204042 | Vacuum pump and cooling component thereof | Yoshiyuki Takai, Yoshiyuki Sakaguchi | 2021-12-21 |