Topcon Positioning Systems, Inc.
214Patents
207Active
214Granted
61Portfolio score
Filing activity: Feb 21, 1998 → Oct 2, 2023 · 18 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6219376A | Apparatuses and methods of suppressing a narrow-band interference with a compensator and adjustment loops | Physics | 100 | Expired |
| US6313789A | Joint tracking of the carrier phases of the signals received from different satellites | Electricity | 70 | Expired |
| USD763733S1 | Unmanned aircraft | General | 54 | Active |
| US6268824A | Methods and apparatuses of positioning a mobile user in a system of satellite differential navigation | Physics | 50 | Expired |
| US7317977B2 | Dynamic stabilization and control of an earthmoving machine | Physics | 47 | Active |
| US8760343B2 | Detection and correction of anomalous measurements and ambiguity resolution in a global navigation satellite system receiver | Physics | 39 | Active |
| US9745060B2 | Agricultural crop analysis drone | Performing Operations; Transporting | 29 | Active |
| USD883202S1 | Charging base | General | 27 | Active |
| US7991222B2 | Method and apparatus for high resolution 3D imaging as a function of camera position, camera trajectory and range | Physics | 27 | Active |
| US6337657B1 | Methods and apparatuses for reducing errors in the measurement of the coordinates and time offset in satellite positioning system receivers | Physics | 21 | Expired |
| US7617061B2 | Method and apparatus for accurately determining height coordinates in a satellite/laser positioning system | Physics | 21 | Active |
| US8738242B2 | Automatic blade slope control system | Fixed Constructions | 20 | Active |
| US6278407A | Dual-frequency choke-ring ground planes | Electricity | 19 | Expired |
| US7640683B2 | Method and apparatus for satellite positioning of earth-moving equipment | Fixed Constructions | 18 | Active |
| US8145391B2 | Automatic blade control system with integrated global navigation satellite system and inertial sensors | Physics | 17 | Active |
| USD885867S1 | Adaptor | General | 16 | Active |
| US8473166B2 | Semiautomatic control of earthmoving machine based on attitude measurement | Fixed Constructions | 15 | Active |
| US9347205B2 | Estimation of the relative attitude and position between a vehicle body and an implement operably coupled to the vehicle body | Physics | 11 | Active |
| US9139977B2 | System and method for orienting an implement on a vehicle | Physics | 11 | Active |
| USD885866S1 | Mount base | General | 11 | Active |
| US9077082B2 | Patch antenna with capacitive radiating patch | Electricity | 11 | Active |
| US8352132B2 | Automatic blade control system with integrated global navigation satellite system and inertial sensors | Physics | 10 | Active |
| US7689351B2 | Virtual profilograph for road surface quality assessment | Physics | 10 | Active |
| US9053015B2 | NAND flash memory interface controller with GNSS receiver firmware booting capability | Physics | 10 | Active |
| US7925439B2 | Gimbaled satellite positioning system antenna | Fixed Constructions | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.