Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422567 | Methods and apparatus to reduce communications for position, navigation and timing determinations | Rongsheng Li, Kenneth C. Clark, Andrey Tolstov, Cody L. Gruebele, Chang Jin Yoo | 2025-09-23 |
| 12228408 | Sensor data fusion system with noise reduction and fault protection | Rongsheng Li, Chang Jin Yoo, Andrey Tolstov, Cody L. Gruebele | 2025-02-18 |
| 11168984 | Celestial navigation system and method | Rongsheng Li, Harold A. Klotz, Jr., Bruce M. Pope, Paul J. Haug | 2021-11-09 |
| 10694148 | Image-based navigation using quality-assured line-of-sight measurements | Rongsheng Li, Amir Leon Liaghati, Shanshin Chen | 2020-06-23 |
| 9643740 | Gyroless three-axis sun acquisition using sun sensor and unscented kalman filter | Richard Y. Chiang | 2017-05-09 |
| 9073648 | Star tracker rate estimation with kalman filter enhancement | Richard Y. Chiang | 2015-07-07 |
| 8543266 | Modified Kalman filter for generation of attitude error corrections | Rongsheng Li, Arunkumar P. Nayak | 2013-09-24 |
| 8265804 | Method and system for controlling a vehicle | David S. Uetrecht, David D. Needelman | 2012-09-11 |
| 8131409 | Gyroless transfer orbit sun acquisition using only wing current measurement feedback | Richard Y. Chiang | 2012-03-06 |
| 7437224 | Target acquisition control for spacecraft gimballed payload | Ketao Liu | 2008-10-14 |