Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12210107 | Satellite navigation receiver for relative positioning with bias estimation | Liwen L. Dai, Min Wang, David S. Chiu | 2025-01-28 |
| 11175414 | Satellite navigation receiver for relative positioning with bias estimation | Liwen L. Dai, Min Wang, David S. Chiu | 2021-11-16 |
| 10809391 | Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning mode | F. Adhika Pradipta Lie, Yunfeng Shao, Liwen L. Dai | 2020-10-20 |
| 10627528 | Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning mode | F. Adhika Pradipta Lie, Yunfeng Shao, Liwen L. Dai | 2020-04-21 |
| 10605926 | Satellite navigation receiver and method for switching between real-time kinematic mode and relative positioning mode | F. Adhika Pradipta Lie, Yunfeng Shao, Liwen L. Dai | 2020-03-31 |
| 10379225 | Satellite navigation receiver with improved ambiguity resolution | Liwen L. Dai | 2019-08-13 |
| 10222484 | Satellite navigation receiver with improved ambiguity resolution | Liwen L. Dai | 2019-03-05 |
| 10222483 | Satellite navigation receiver with improved ambiguity resolution | Liwen L. Dai | 2019-03-05 |
| 8456353 | Method and system for determining clock corrections | Liwen L. Dai, Yiqun Chen, Yujie Zhang | 2013-06-04 |
| 7844396 | Method and system for modular data processing for a vehicle control system | — | 2010-11-30 |
| 7479922 | Method and system for determining the location of a vehicle | Kenneth Edward Hunt, Mark Alvin Schmidt, David R. Holm, Scott Stephens | 2009-01-20 |
| 6674687 | System and method for navigation using two-way ultrasonic positioning | — | 2004-01-06 |