Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827550 | Vacuum pump | Takashi Kabasawa, Tooru Miwata | 2004-12-07 |
| 6824349 | Vacuum pump | Yoshiyuki Sakaguchi, Yasushi Maejima | 2004-11-30 |
| 6752588 | Vacuum pump | Shinji Kawanishi, Yoshiyuki Sakaguchi, Yasushi Maejima | 2004-06-22 |