Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717308 | Electric spindle motor and method having magnetic starting/stopping device | Shixin Chen | 2004-04-06 |
| 6674201 | Spindle motor with an aerodynamic and hydrodynamic bearing assembly | Zhejie Liu, Shixin Chen, Teck Seng Low | 2004-01-06 |