Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235364 | Secure global navigation satellite systems | Dominic Gerard Farmer | 2025-02-25 |
| 12130369 | Ultra wide-lane (UWL) real-time kinematic (RTK) | Min Wang, Ning LUO, Gengsheng Zhang, Zoltan Biacs, Jean-Michel Rousseau +3 more | 2024-10-29 |
| 11675091 | RTK GNSS positioning without base stations | Min Wang, Ning LUO, Gengsheng Zhang | 2023-06-13 |
| 11668840 | Ultra-long baseline RTK | Min Wang, Ning LUO, Gengsheng Zhang, David Tuck, Bo Zheng +2 more | 2023-06-06 |
| 11563538 | Signal structure for terrestrial timing and positioning system | Guttorm Ringstad OPSHAUG, David Tuck, Jordan Cookman | 2023-01-24 |
| 11231503 | Secure global navigation satellite systems | Dominic Gerard Farmer | 2022-01-25 |
| 10830895 | Secure global navigation satellite systems | Dominic Gerard Farmer | 2020-11-10 |
| 9869770 | Control and features for satellite positioning system receivers | Sundar Raman, Charles P. Norman, Paul A. Underbrink, Henry D. Falk, James Michael Brown +5 more | 2018-01-16 |
| 9423507 | Methods and apparatuses for multipath estimation and correction in GNSS navigation systems | Xiangdong Lin, David Tuck | 2016-08-23 |
| 8947300 | Control and features for satellite positioning system receivers | Sundar Raman, Charles P. Norman, Paul A. Underbrink, Henry D. Falk, James Michael Brown +5 more | 2015-02-03 |
| 8935093 | GNSS performance enhancement using accelerometer-only data | — | 2015-01-13 |
| 8736487 | Method and apparatus of using height aiding from a contour table for GNSS positioning | Shreeram Jambulingam | 2014-05-27 |
| 8670882 | Systems and methods for monitoring navigation state errors | Gang Xie, Sanjai Kohli | 2014-03-11 |
| 8593342 | Utilizing SBAS signals to improve GNSS receiver performance | Gang Xie, Gengsheng Zhang | 2013-11-26 |
| 8442763 | Method and apparatus for geographically aiding navigation satellite system solution | David Tuck, Ardalan Heshmati | 2013-05-14 |
| 8378887 | Systems and methods for synthesizing GPS measurements to improve GPS location availability | Gang Xie, Makarand Phatak, Anil K. Kandangath | 2013-02-19 |
| 8311740 | Use of accelerometer only data to improve GNSS performance | — | 2012-11-13 |
| 8248301 | Method and apparatus for using GPS satellite state computations in GLONASS measurement processing | Keith Brodie, Makarand Phatak, William Kerry Keal | 2012-08-21 |
| 8190365 | Systems and methods for processing navigational solutions | Daniel Liao | 2012-05-29 |
| 8165607 | System and method for estimating cell center position for cell ID based positioning | Xiangdong Lin, Marlene Wan, Lionel Jacques Garin | 2012-04-24 |
| 8159393 | Systems and methods for synthesizing GPS measurements to improve GPS location availability | Gang Xie, Makarand Phatak, Anil K. Kandangath | 2012-04-17 |
| 8144053 | System and method for verifying consistent measurements in performing GPS positioning | Xiangqian (Daniel) Liao | 2012-03-27 |
| 8013787 | Control and features for satellite positioning system receivers | Sundar Raman, Charles P. Norman, Paul A. Underbrink, Henry D. Falk, James Michael Brown +5 more | 2011-09-06 |
| 7979207 | Systems and methods for detecting a vehicle static condition | Mahesh Chowdhary, Qiyue Zhang, Gengsheng Zhang | 2011-07-12 |
| 7953142 | Variable code-tracking loop with improved signal dynamics, loop noise, and sensitivity | — | 2011-05-31 |