Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7808200 | Motor controller with hall sensor misalignment compensation | Raymond Liu, Estella Chung | 2010-10-05 |
| 7230422 | Motor state counting | Raymond Liu, Estella Chung | 2007-06-12 |
| 7049813 | Motor state counting | Raymond Liu, Estella Chung | 2006-05-23 |