Assignee
TOPCON POSITIONING SYSTEMS INC
US·172 granted patents·26 pending applications·1,159 citations·filing 1998–2025
Top patents by PatentIndex Score
198 records- 0195US9745060B2Agricultural crop analysis droneTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Aug 29, 2017·33 cites·12 claims
- 0293US7991222B2Method and apparatus for high resolution 3D imaging as a function of camera position, camera trajectory and rangeTOPCON POSITIONING SYSTEMS INC·Filed 2010·Granted Aug 2, 2011·32 cites·53 claims
- 0391US9752303B2Method and apparatus for implementing operational practices for construction machinesTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Sep 5, 2017·9 cites·20 claims
- 0490US6219376B1Apparatuses 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
- 0588USD883202SCharging baseTOPCON POSITIONING SYSTEMS INC·Filed 2018·Granted May 5, 2020·30 cites·1 claims
- 0688US10428493B2Automatic blade control system for a motor graderTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Oct 1, 2019·9 cites·42 claims
- 0788US10189568B2Agricultural crop analysis droneTOPCON POSITIONING SYSTEMS INC·Filed 2017·Granted Jan 29, 2019·11 cites·30 claims
- 0888US8352132B2Automatic blade control system with integrated global navigation satellite system and inertial sensorsTOPCON POSITIONING SYSTEMS INC·Filed 2012·Granted Jan 8, 2013·13 cites·13 claims
- 0988US7640683B2Method and apparatus for satellite positioning of earth-moving equipmentTOPCON POSITIONING SYSTEMS INC·Filed 2005·Granted Jan 5, 2010·25 cites·26 claims
- 1088US7617061B2Method and apparatus for accurately determining height coordinates in a satellite/laser positioning systemTOPCON POSITIONING SYSTEMS INC·Filed 2007·Granted Nov 10, 2009·23 cites·13 claims
- 1186US11834813B2IMU based system for vertical axis joint angle estimation for swing boom excavatorsTOPCON POSITIONING SYSTEMS INC·Filed 2021·Granted Dec 5, 2023·3 cites·18 claims
- 1286US11804994B2Method and apparatus for receiving FSK signalsTOPCON POSITIONING SYSTEMS INC·Filed 2021·Granted Oct 31, 2023·2 cites·38 claims
- 1386US10775513B1High performance positioning system based on GNSS receiver with multiple front endsTOPCON POSITIONING SYSTEMS INC·Filed 2018·Granted Sep 15, 2020·11 cites·23 claims
- 1486US9960494B2Impedance helical antenna forming Π-shaped directional diagramTOPCON POSITIONING SYSTEMS INC·Filed 2017·Granted May 1, 2018·6 cites·18 claims
- 1586US7857071B1Grade indicator for excavation operationsTOPCON POSITIONING SYSTEMS INC·Filed 2005·Granted Dec 28, 2010·22 cites·29 claims
- 1686US6313789B1Joint 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
- 1785US10145671B2Three dimensional laser measuring system and methodTOPCON POSITIONING SYSTEMS INC·Filed 2016·Granted Dec 4, 2018·10 cites·29 claims
- 1885US9891325B2Detection and correction of anomalous measurements and ambiguity resolution in a global navigation satellite system receiverTOPCON POSITIONING SYSTEMS INC·Filed 2014·Granted Feb 13, 2018·15 cites·27 claims
- 1985US9425908B1Method and apparatus for estimating the current signal-to-noise ratioTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Aug 23, 2016·6 cites·20 claims
- 2085US7317977B2Dynamic stabilization and control of an earthmoving machineTOPCON POSITIONING SYSTEMS INC·Filed 2004·Granted Jan 8, 2008·73 cites·24 claims
- 2184US12399281B2Method of measuring phase ionosphere scintillationsTOPCON POSITIONING SYSTEMS INC·Filed 2022·Granted Aug 26, 2025·2 cites·30 claims
- 2284US9244172B2Selection of a subset of global navigation satellite system measurements based on prediction of accuracy of target parametersTOPCON POSITIONING SYSTEMS INC·Filed 2013·Granted Jan 26, 2016·13 cites·22 claims
- 2384US7456943B1Laser positioning measurement system and methodTOPCON POSITIONING SYSTEMS INC·Filed 2005·Granted Nov 25, 2008·22 cites·21 claims
- 2483US10478706B2Method and apparatus for precise determination of a position of a target on a surfaceTOPCON POSITIONING SYSTEMS INC·Filed 2014·Granted Nov 19, 2019·9 cites·8 claims
- 2583US9488729B2Detection of scintillations in signals of global navigation satellite systems caused by ionospheric irregularitiesTOPCON POSITIONING SYSTEMS INC·Filed 2013·Granted Nov 8, 2016·12 cites·27 claims
- 2683US2024247461A1Method and apparatus for machine operator command attenuationTOPCON POSITIONING SYSTEMS INC·Filed 2024·Application pending·0 cites
- 2782US7925439B2Gimbaled satellite positioning system antennaTOPCON POSITIONING SYSTEMS INC·Filed 2006·Granted Apr 12, 2011·17 cites·11 claims
- 2882US6268824B1Methods 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
- 2981US11549800B2Self-leveling system for rotating laser systemsTOPCON POSITIONING SYSTEMS INC·Filed 2020·Granted Jan 10, 2023·2 cites·20 claims
- 3081US10563980B2Enhanced remote surveying systems and methodsTOPCON POSITIONING SYSTEMS INC·Filed 2016·Granted Feb 18, 2020·5 cites·29 claims
- 3181US10503249B2Method and apparatus for construction machine visualizationTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Dec 10, 2019·4 cites·15 claims
- 3281US10288743B2Adaptive GNSS positioning method capable of adjusting to ionospheric delayTOPCON POSITIONING SYSTEMS INC·Filed 2016·Granted May 14, 2019·4 cites·8 claims
- 3381US10031236B2Navigation receiver with an adaptive system for tracking carrier phases received from a constellation of navigation satellitesTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted Jul 24, 2018·5 cites·25 claims
- 3481US9350080B2Compact circular polarization antenna system with reduced cross-polarization componentTOPCON POSITIONING SYSTEMS INC·Filed 2015·Granted May 24, 2016·3 cites·12 claims
- 3580US12523780B2Quasi-asynchronous sampling frequency gridTOPCON POSITIONING SYSTEMS INC·Filed 2022·Granted Jan 13, 2026·1 cites·20 claims
- 3680US10381734B2Patch antenna with wire radiation elements for high-precision GNSS applicationsTOPCON POSITIONING SYSTEMS INC·Filed 2017·Granted Aug 13, 2019·3 cites·23 claims
- 3780US9367962B2Augmented image display using a camera and a position and orientation sensorTOPCON POSITIONING SYSTEMS INC·Filed 2014·Granted Jun 14, 2016·8 cites·21 claims
- 3880US2025298149A1Method and apparatus for fast searching global navigation satellite system signalsTOPCON POSITIONING SYSTEMS INC·Filed 2025·Application pending·0 cites
- 3979US10809385B2Methods and receivers for processing GNSS signalsTOPCON POSITIONING SYSTEMS INC·Filed 2019·Granted Oct 20, 2020·4 cites·20 claims
- 4078US11898321B2Input shaping for error detection and recovery in dynamically agile grading machinesTOPCON POSITIONING SYSTEMS INC·Filed 2020·Granted Feb 13, 2024·2 cites·28 claims
- 4178USD885867SAdaptorTOPCON POSITIONING SYSTEMS INC·Filed 2018·Granted Jun 2, 2020·16 cites·1 claims
- 4278US9443311B2Method and system to identify a position of a measurement poleTOPCON POSITIONING SYSTEMS INC·Filed 2014·Granted Sep 13, 2016·8 cites·20 claims
- 4377US10724863B2Method and device for calibration of a three-axis magnetometerTOPCON POSITIONING SYSTEMS INC·Filed 2016·Granted Jul 28, 2020·3 cites·26 claims
- 4477US9285479B2Selection of a subset of global navigation satellite system measurements based on relation between shifts in target parameters and sum of residualsTOPCON POSITIONING SYSTEMS INC·Filed 2013·Granted Mar 15, 2016·7 cites·15 claims
- 4575US11828040B2Method and apparatus for mitigating machine operator command delayTOPCON POSITIONING SYSTEMS INC·Filed 2019·Granted Nov 28, 2023·2 cites·20 claims
- 4675US11782168B2Method and apparatus for receiving chip-by-chip multiplexed csk signalsTOPCON POSITIONING SYSTEMS INC·Filed 2023·Granted Oct 10, 2023·0 cites·19 claims
- 4775US6337657B1Methods 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
- 4874US11125889B2Method of reducing inter-channel biases in GLONASS GNSS receiversTOPCON POSITIONING SYSTEMS INC·Filed 2019·Granted Sep 21, 2021·3 cites·12 claims
- 4974US11035960B1Block of digital filters for multisystem navigational receivers integrated with data transmission systemsTOPCON POSITIONING SYSTEMS INC·Filed 2018·Granted Jun 15, 2021·3 cites·22 claims
- 5074US11029413B1Using SDP relaxation for optimization of the satellites set chosen for positioningTOPCON POSITIONING SYSTEMS INC·Filed 2018·Granted Jun 8, 2021·2 cites·16 claims
Showing the top 50 of 198 patent records by PatentIndex Score.
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