Inventor · disambiguated record
Javad Ashjaee
Also filed as: ASHJAEE JAVAD
51 granted patents·14 pending applications·1,893 citations·filing 1988–2025
99Inventor score
Files withJAVAD GNSS INC32ASHJAEE JAVAD14TOPCON GPS LLC6TOPCON POSITIONING SYSTEMS INC5JAVAD POSITIONING LLC2
Top patents by PatentIndex Score
65 records- 0196US11808866B2Total station with GNSS deviceJAVAD GNSS INC·Filed 2020·Granted Nov 7, 2023·4 cites·11 claims
- 0295US4928106AGlobal positioning system receiver with improved radio frequency and digital processingASHTECH TELESIS INC·Filed 1988·Granted May 22, 1990·292 cites·15 claims
- 0394US6463091B1Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is presentMAGELLAN CORP·Filed 2000·Granted Oct 8, 2002·88 cites·4 claims
- 0493USD756842SUnmanned aerial droneJAVAD GNSS INC·Filed 2014·Granted May 24, 2016·56 cites·1 claims
- 0593US8125376B1Handheld global positioning system deviceASHJAEE JAVAD·Filed 2010·Granted Feb 28, 2012·38 cites·10 claims
- 0693US5769370AKnock-down satellite positioning system antenna supporting tripodJAVAD POSITIONING LLC·Filed 1996·Granted Jun 23, 1998·179 cites·17 claims
- 0792US8717233B2Satellite signal multipath mitigation in GNSS devicesASHJAEE JAVAD·Filed 2011·Granted May 6, 2014·33 cites·12 claims
- 0891US10983220B2Spoofing detection and rejectionJAVAD GNSS INC·Filed 2018·Granted Apr 20, 2021·11 cites·18 claims
- 0991US10338228B2Portable GNSS survey systemJAVAD GNSS INC·Filed 2015·Granted Jul 2, 2019·10 cites·20 claims
- 1091US8872700B2GNSS surveying receiver with multiple RTK enginesASHJAEE JAVAD·Filed 2012·Granted Oct 28, 2014·23 cites·27 claims
- 1191US5749549ASatellite positioning system antenna supporting tripodJAVAD POSITIONING LLC·Filed 1995·Granted May 12, 1998·137 cites·27 claims
- 1290US11656076B2Method of calibrating a total station using a GNSS deviceJAVAD GNSS INC·Filed 2019·Granted May 23, 2023·5 cites·13 claims
- 1390US8975967B2Antenna LNA filter for GNSS devicesJAVAD GNSS INC·Filed 2012·Granted Mar 10, 2015·18 cites·21 claims
- 1490US6219376B1Apparatuses and methods of suppressing a narrow-band interference with a compensator and adjustment loopsTOPCON POSITIONING SYSTEMS INC·Filed 1998·Granted Apr 17, 2001·194 cites·85 claims
- 1589US10408944B2Hybrid RTKJAVAD GNSS INC·Filed 2017·Granted Sep 10, 2019·9 cites·30 claims
- 1688US10281588B2GNSS surveying using RTK engine verificationJAVAD GNSS INC·Filed 2015·Granted May 7, 2019·9 cites·16 claims
- 1788US8717232B2Handheld global positioning system deviceASHJAEE JAVAD·Filed 2012·Granted May 6, 2014·18 cites·21 claims
- 1888US8120527B2Satellite differential positioning receiver using multiple base-rover antennasASHJAEE JAVAD·Filed 2009·Granted Feb 21, 2012·31 cites·39 claims
- 1986US12449552B2Total station with GNSS deviceJAVAD GNSS INC·Filed 2024·Granted Oct 21, 2025·0 cites·9 claims
- 2086US6313789B1Joint tracking of the carrier phases of the signals received from different satellitesTOPCON POSITIONING SYSTEMS INC·Filed 1999·Granted Nov 6, 2001·132 cites·90 claims
- 2185US9720093B2Land surveying using GNSS deviceJAVAD GNSS INC·Filed 2013·Granted Aug 1, 2017·11 cites·32 claims
- 2284US9671497B2Synchronization using multiple offset GNSS receiver channelsJAVAD GNSS INC·Filed 2014·Granted Jun 6, 2017·11 cites·18 claims
- 2384US9035826B2Satellite differential positioning receiver using multiple base-rover antennasASHJAEE JAVAD·Filed 2012·Granted May 19, 2015·11 cites·29 claims
- 2484US6493378B1Methods and apparatuses for reducing multipath errors in the demodulation of pseudo-random coded signalsTOPCON GPS LLC·Filed 1999·Granted Dec 10, 2002·88 cites·70 claims
- 2583US12276738B2Total station with GNSS deviceJAVAD GNSS INC·Filed 2023·Granted Apr 15, 2025·0 cites·9 claims
- 2683US9250328B2Graphics-aided remote position measurement with handheld geodesic deviceASHJAEE JAVAD·Filed 2009·Granted Feb 2, 2016·16 cites·5 claims
- 2783US9168946B2Method for generating offset paths for ground vehiclesASHJAEE JAVAD·Filed 2010·Granted Oct 27, 2015·13 cites·29 claims
- 2882US12436292B2Enhanced real-time kinematic (RTK)JAVAD GNSS INC·Filed 2023·Granted Oct 7, 2025·0 cites·18 claims
- 2982US9103912B2Inter-channel bias calibration for navigation satellite systemsYUDANOV SERGEY·Filed 2011·Granted Aug 11, 2015·19 cites·6 claims
- 3082US8022868B2Inter-channel bias calibration for navigation satellite systemsJAVAD GNSS INC·Filed 2008·Granted Sep 20, 2011·27 cites·18 claims
- 3182US6268824B1Methods and apparatuses of positioning a mobile user in a system of satellite differential navigationTOPCON POSITIONING SYSTEMS INC·Filed 1999·Granted Jul 31, 2001·97 cites·52 claims
- 3281US10514467B2Up sampling reference station dataJAVAD GNSS INC·Filed 2017·Granted Dec 24, 2019·4 cites·17 claims
- 3381US9748926B2Antenna LNA filter for GNSS deviceJAVAD GNSS INC·Filed 2013·Granted Aug 29, 2017·10 cites·15 claims
- 3479US6633256B2Methods and systems for improvement of measurement efficiency in surveyingTOPCON GPS LLC·Filed 2001·Granted Oct 14, 2003·50 cites·60 claims
- 3577US8094087B2Portable navigational antenna systemASHJAEE JAVAD·Filed 2008·Granted Jan 10, 2012·16 cites·15 claims
- 3675US10386497B2Automated localization for GNSS deviceJAVAD GNSS INC·Filed 2014·Granted Aug 20, 2019·5 cites·21 claims
- 3775US6337657B1Methods and apparatuses for reducing errors in the measurement of the coordinates and time offset in satellite positioning system receiversTOPCON POSITIONING SYSTEMS INC·Filed 2000·Granted Jan 8, 2002·46 cites·42 claims
- 3874US5953367ASpread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is presentMAGELLAN CORP·Filed 1995·Granted Sep 14, 1999·47 cites·24 claims
- 3973US11782165B2Enhanced real-time kinematic (RTK)JAVAD GNSS INC·Filed 2021·Granted Oct 10, 2023·0 cites·20 claims
- 4072US10613231B2Portable GNSS survey systemJAVAD GNSS INC·Filed 2015·Granted Apr 7, 2020·2 cites·19 claims
- 4172US6731701B2Navigation data prediction for GPS and GLONASS weak signal trackingTOPCON GPS LLC·Filed 2001·Granted May 4, 2004·42 cites·20 claims
- 4272US2025146817A1Integrated gnss and optical systemJAVAD GNSS INC·Filed 2025·Application pending·0 cites
- 4369US12196554B2Integrated GNSS and optical systemJAVAD GNSS INC·Filed 2020·Granted Jan 14, 2025·0 cites·13 claims
- 4468US9565875B2Cigar chillerASHJAEE JAVAD·Filed 2014·Granted Feb 14, 2017·4 cites·10 claims
- 4567US10976441B2Method of using GNSS system having magnetic locatorJAVAD GNSS INC·Filed 2017·Granted Apr 13, 2021·1 cites·8 claims
- 4665US6278407B1Dual-frequency choke-ring ground planesTOPCON POSITIONING SYSTEMS INC·Filed 1999·Granted Aug 21, 2001·41 cites·65 claims
- 4764US6456233B1Methods and apparatuses of positioning a mobile user in a system of satellite differential navigationTOPCON GPS LLC·Filed 2001·Granted Sep 24, 2002·18 cites·38 claims
- 4860US6674399B2Methods and apparatuses of positioning a mobile user in a system of satellite differential navigationTOPCON GPS LLC·Filed 2002·Granted Jan 6, 2004·5 cites·16 claims
- 4957US11209550B2Band-spectrum interference visualizer in a global navigation satellite system receiverASHJAEE JAVAD·Filed 2011·Granted Dec 28, 2021·1 cites·26 claims
- 5057US6659409B2Positioning poles for surveying equipment, global positioning antennas, and the likeTOPCON GPS LLC·Filed 2002·Granted Dec 9, 2003·12 cites·27 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →