Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662957 | Vacuum exhaust mechanism, compound type vacuum pump, and rotating body part | Takashi Kabasawa | 2020-05-26 |
| 10578158 | Vacuum pump and abnormality cause estimating method for vacuum pump | Yoshinobu Ohtachi, Yasushi Maejima, Tsutomu Takaada | 2020-03-03 |