Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890145 | Vacuum pump | Masayoshi Takamine, Yasushi Maejima, Shinji Kawanishi, Yoshiyuki Sakaguchi, Kenji Kabata +1 more | 2005-05-10 |
| 6866472 | Vacuum pump | Yoshiyuki Sakaguchi | 2005-03-15 |
| 6854956 | Turbo-molecular pump | Tooru Miwata, Yoshiyuki Sakaguchi, Yasushi Maejima | 2005-02-15 |