Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146525 | Method for backing up and recovering data in the hard disk of a computer | Changqing Wan, Danfeng Zhang | 2006-12-05 |
| 5933200 | Method for reducing carrier recovery time in high definition television receiver | — | 1999-08-03 |