Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954324 | Disk drive disabling BEMF detection window to reduce acoustic noise while using wedge spindle speed control | Chuanwen Ji | 2005-10-11 |
| 6914740 | Disk drive employing BEMF spindle speed control or wedge spindle speed control | Chuanwen Ji | 2005-07-05 |