Inventor · disambiguated record
Liwen L. Dai
Also filed as: DAI LIWEN · DAI LIWEN L
40 granted patents·1 pending application·581 citations·filing 2004–2022
98Inventor score
Technology areasG01S
Top patents by PatentIndex Score
41 records- 0194US10422885B2Rapid recovery of precise position after temporary signal lossDEERE & CO·Filed 2016·Granted Sep 24, 2019·38 cites·27 claims
- 0294US10191157B2Precise low-latency GNSS satellite clock estimationDEERE & CO·Filed 2016·Granted Jan 29, 2019·31 cites·22 claims
- 0394US8242953B2Distance dependent error mitigation in real-time kinematic (RTK) positioningDAI LIWEN L·Filed 2011·Granted Aug 14, 2012·37 cites·18 claims
- 0494US7961143B2Partial search carrier-phase integer ambiguity resolutionNAVCOM TECH INC·Filed 2008·Granted Jun 14, 2011·54 cites·36 claims
- 0593US10802160B2Rapid determination of precise position by aiding dataDEERE & CO·Filed 2016·Granted Oct 13, 2020·32 cites·21 claims
- 0692US12032077B2System and method for compensating for scintillation and for facilitation of long-baseline RTKDEERE & CO·Filed 2022·Granted Jul 9, 2024·2 cites·24 claims
- 0791US8035552B2Distance dependant error mitigation in real-time kinematic (RTK) positioningNAVCOM TECH INC·Filed 2008·Granted Oct 11, 2011·35 cites·39 claims
- 0890US10605926B2Satellite navigation receiver and method for switching between real-time kinematic mode and relative positioning modeDEERE & CO·Filed 2016·Granted Mar 31, 2020·16 cites·21 claims
- 0989US10393882B2Estimation of inter-frequency bias for ambiguity resolution in global navigation satellite system receiversDEERE & CO·Filed 2016·Granted Aug 27, 2019·9 cites·20 claims
- 1089US10338232B2Navigation satellite wide-lane bias determination system and methodDEERE & CO·Filed 2017·Granted Jul 2, 2019·8 cites·27 claims
- 1189US8416133B2System and method for compensating for faulty measurementsHATCH RONALD R·Filed 2010·Granted Apr 9, 2013·25 cites·48 claims
- 1288US10222483B2Satellite navigation receiver with improved ambiguity resolutionDEERE & CO·Filed 2016·Granted Mar 5, 2019·8 cites·28 claims
- 1388US7961141B2Methods and systems to increase accuracy in the navigation of single frequency receiversNAVCOM TECH INC·Filed 2008·Granted Jun 14, 2011·41 cites·16 claims
- 1487US11175414B2Satellite navigation receiver for relative positioning with bias estimationDEERE & CO·Filed 2015·Granted Nov 16, 2021·11 cites·25 claims
- 1587US10386496B2Navigation satellite orbit and clock determination with low latency clock correctionsDEERE & CO·Filed 2017·Granted Aug 20, 2019·9 cites·22 claims
- 1687US10379225B2Satellite navigation receiver with improved ambiguity resolutionDEERE & CO·Filed 2016·Granted Aug 13, 2019·7 cites·24 claims
- 1787US7679555B2Navigation receiver and method for combined use of a standard RTK system and a global carrier-phase differential positioning systemNAVCOM TECH INC·Filed 2008·Granted Mar 16, 2010·27 cites·29 claims
- 1886US10481275B2Long term repeatability of determined position in GNSS navigation systemDEERE & CO·Filed 2016·Granted Nov 19, 2019·6 cites·23 claims
- 1986US10222484B2Satellite navigation receiver with improved ambiguity resolutionDEERE & CO·Filed 2016·Granted Mar 5, 2019·8 cites·28 claims
- 2086US8983685B2System and method for moving-base RTK measurementsDAI LIWEN L·Filed 2011·Granted Mar 17, 2015·17 cites·24 claims
- 2186US8427365B2Method and system for estimating position using dual real time kinematic enginesDAI LIWEN·Filed 2010·Granted Apr 23, 2013·16 cites·15 claims
- 2285US11150352B2Method and system for providing satellite correction signal with warm startDEERE & CO·Filed 2018·Granted Oct 19, 2021·11 cites·20 claims
- 2385US8456353B2Method and system for determining clock correctionsDAI LIWEN L·Filed 2011·Granted Jun 4, 2013·14 cites·25 claims
- 2484US10564293B2Navigation satellite orbit and low latency clock determination with wide-lane and narrow-lane bias correctionsDEERE & CO·Filed 2017·Granted Feb 18, 2020·6 cites·21 claims
- 2584US8766848B2Method and system for estimating position using dual real time kinematic enginesNAVCOM TECH INC·Filed 2013·Granted Jul 1, 2014·11 cites·17 claims
- 2683US11808861B2Adaptive estimation of GNSS satellite biasesDEERE & CO·Filed 2021·Granted Nov 7, 2023·1 cites·24 claims
- 2783US8803736B2Method and system for estimating position with bias compensationDAI LIWEN·Filed 2010·Granted Aug 12, 2014·13 cites·19 claims
- 2882US9846241B2Navigation system and method using RTK with data received from a mobile base stationDEERE & CO·Filed 2015·Granted Dec 19, 2017·6 cites·21 claims
- 2982US8659474B2Navigation system and method for resolving integer ambiguities using double difference ambiguity constraintsDAI LIWEN L·Filed 2011·Granted Feb 25, 2014·10 cites·28 claims
- 3081US10564294B2Navigation satellite wide-lane bias determination and over-range adjustment system and methodDEERE & CO·Filed 2017·Granted Feb 18, 2020·4 cites·30 claims
- 3177US9599721B2Method and system for estimating position with bias compensationNAVCORN TECH INC C/O DEERE & COMPANY·Filed 2012·Granted Mar 21, 2017·9 cites·13 claims
- 3276US10809391B2Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning modeDEERE & CO·Filed 2016·Granted Oct 20, 2020·4 cites·26 claims
- 3376US10802159B2Long term repeatability of determined position in GNSS navigation systemDEERE & CO·Filed 2019·Granted Oct 13, 2020·2 cites·20 claims
- 3476US10627528B2Satellite navigation receiver and method for switching between real-time kinematic mode and precise positioning modeDEERE & CO·Filed 2016·Granted Apr 21, 2020·4 cites·17 claims
- 3576US8665145B2System and method for determining the heading angle of a vehicleDAI LIWEN·Filed 2011·Granted Mar 4, 2014·7 cites·27 claims
- 3674US7298319B2Automatic decorrelation and parameter tuning real-time kinematic method and apparatusMAGELLAN NAVIGATION INC·Filed 2004·Granted Nov 20, 2007·35 cites·4 claims
- 3770US12313751B2System and method for compensating for scintillation and for facilitation of long-baseline RTKDEERE & CO·Filed 2022·Granted May 27, 2025·0 cites·22 claims
- 3866US7663539B2Automatic decorrelation and parameter tuning real-time kinematic method and apparatusMNI INC·Filed 2007·Granted Feb 16, 2010·7 cites·15 claims
- 3953US12210107B2Satellite navigation receiver for relative positioning with bias estimationDEERE & CO·Filed 2021·Granted Jan 28, 2025·0 cites·15 claims
- 4046US12099125B2Adaptive estimation of GNSS satellite biasesDEERE & CO·Filed 2021·Granted Sep 24, 2024·0 cites·21 claims
- 4141US2011267225A1System and method for determining the heading angle of a vehicleDAI LIWEN·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →