LD

Liwen L. Dai

JD John Deere: 27 patents #86 of 5,518Top 2%
NT Navcom Technology: 11 patents #3 of 34Top 9%
Overall (All Time): #77,394 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
12313751 System and method for compensating for scintillation and for facilitation of long-baseline RTK Yufeng Zhang 2025-05-27
12210107 Satellite navigation receiver for relative positioning with bias estimation Michael A. Zeitzew, Min Wang, David S. Chiu 2025-01-28
12099125 Adaptive estimation of GNSS satellite biases Yiquin Chen 2024-09-24
12032077 System and method for compensating for scintillation and for facilitation of long-baseline RTK Yufeng Zhang 2024-07-09
11808861 Adaptive estimation of GNSS satellite biases Yiqun Chen 2023-11-07
11175414 Satellite navigation receiver for relative positioning with bias estimation Michael A. Zeitzew, Min Wang, David S. Chiu 2021-11-16
11150352 Method and system for providing satellite correction signal with warm start Sonia U. Kuntz, Nirav R. Parikh, Junkun Wan 2021-10-19
10809391 Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning mode F. Adhika Pradipta Lie, Michael A. Zeitzew, Yunfeng Shao 2020-10-20
10802159 Long term repeatability of determined position in GNSS navigation system Yiqun Chen 2020-10-13
10802160 Rapid determination of precise position by aiding data Soon Sik Hwang 2020-10-13
10627528 Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning mode F. Adhika Pradipta Lie, Michael A. Zeitzew, Yunfeng Shao 2020-04-21
10605926 Satellite navigation receiver and method for switching between real-time kinematic mode and relative positioning mode F. Adhika Pradipta Lie, Michael A. Zeitzew, Yunfeng Shao 2020-03-31
10564294 Navigation satellite wide-lane bias determination and over-range adjustment system and method Yiqun Chen, Yujie Zhang 2020-02-18
10564293 Navigation satellite orbit and low latency clock determination with wide-lane and narrow-lane bias corrections Yujie Zhang, Yiqun Chen 2020-02-18
10481275 Long term repeatability of determined position in GNSS navigation system Yiqun Chen 2019-11-19
10422885 Rapid recovery of precise position after temporary signal loss Min Wang, Soon Sik Hwang 2019-09-24
10393882 Estimation of inter-frequency bias for ambiguity resolution in global navigation satellite system receivers Yujie Zhang 2019-08-27
10386496 Navigation satellite orbit and clock determination with low latency clock corrections Sonia U. Kuntz, Yiqun Chen, Yujie Zhang 2019-08-20
10379225 Satellite navigation receiver with improved ambiguity resolution Michael A. Zeitzew 2019-08-13
10338232 Navigation satellite wide-lane bias determination system and method Yujie Zhang, Yiqun Chen 2019-07-02
10222483 Satellite navigation receiver with improved ambiguity resolution Michael A. Zeitzew 2019-03-05
10222484 Satellite navigation receiver with improved ambiguity resolution Michael A. Zeitzew 2019-03-05
10191157 Precise low-latency GNSS satellite clock estimation Sonia U. Kuntz, Yujie Zhang, Yiqun Chen 2019-01-29
9846241 Navigation system and method using RTK with data received from a mobile base station Yunfeng Shao 2017-12-19
9599721 Method and system for estimating position with bias compensation Chaochao Wang 2017-03-21