Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834997 | Spindle device using dynamic pressure bearing | Masakazu Uesugi, Masahiro Tsunofuri | 2004-12-28 |
| 6726215 | Dynamic pressure seal device and rotary joint device using the same | Masakazu Uesugi, Masahiro Tsunofuri, Jun Nagano | 2004-04-27 |