Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9915709 | Controlling a motor with two or more hall sensors | Raymond Liu | 2018-03-13 |
| 9325262 | Brushless motors with linear hall sensors | Raymond Liu, Joon Hyub LEE | 2016-04-26 |
| 9239345 | Controlling a motor with two or more Hall sensors | Raymond Liu | 2016-01-19 |
| 7973503 | Motor system employing analog encoded hall effect sensor position information for reduced wiring | Raymond Liu | 2011-07-05 |
| 7956619 | Testing an inductive load of a device using a modulated signal | Raymond Liu, Joon Hyub LEE | 2011-06-07 |
| 7808200 | Motor controller with hall sensor misalignment compensation | Raymond Liu, William K. Morita, Jr. | 2010-10-05 |
| 7230422 | Motor state counting | William K. Morita, Jr., Raymond Liu | 2007-06-12 |
| 7049813 | Motor state counting | William K. Morita, Jr., Raymond Liu | 2006-05-23 |