Navcom Technology, Inc.
46Patents
23Active
46Granted
47Portfolio score
Filing activity: Apr 14, 1998 → Jan 29, 2013 · 20 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6687609B2 | Mobile-trailer tracking system and method | Physics | 151 | Expired |
| US7248211B2 | Moving reference receiver for RTK navigation | Physics | 51 | Expired |
| US6864836B1 | Method for receiver autonomous integrity monitoring and fault detection and elimination | Physics | 48 | Expired |
| US7330153B2 | Multi-band inverted-L antenna | Electricity | 48 | Active |
| US7961143B2 | Partial search carrier-phase integer ambiguity resolution | Physics | 47 | Active |
| US6753810B1 | Fast ambiguity resolution for real time kinematic survey and navigation | Physics | 47 | Expired |
| US7286624B2 | Two-way RF ranging system and method for local positioning | Physics | 42 | Expired |
| US6125135A | System and method for demodulating global positioning system signals | Physics | 41 | Expired |
| US7961141B2 | Methods and systems to increase accuracy in the navigation of single frequency receivers | Physics | 37 | Active |
| US7117417B2 | Method for generating clock corrections for a wide-area or global differential GPS system | Physics | 36 | Expired |
| US8035552B2 | Distance dependant error mitigation in real-time kinematic (RTK) positioning | Physics | 31 | Active |
| US8242953B2 | Distance dependent error mitigation in real-time kinematic (RTK) positioning | Physics | 31 | Active |
| US6342867B1 | Nested turnstile antenna | Electricity | 31 | Expired |
| US6347113B1 | Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error | Electricity | 26 | Expired |
| US6934632B2 | Method for using three GPS frequencies to resolve carrier-phase integer ambiguities | Physics | 26 | Expired |
| US6259401A | Global positioning system receiver with improved multipath signal rejection | Physics | 24 | Expired |
| US7119741B2 | Method for combined use of a local RTK system and a regional, wide-area, or global carrier-phase positioning system | Physics | 23 | Expired |
| US6674687B2 | System and method for navigation using two-way ultrasonic positioning | Physics | 23 | Expired |
| US7511661B2 | Method for combined use of a local positioning system, a local RTK system, and a regional, wide-area, or global carrier-phase positioning system | Physics | 21 | Active |
| US7679555B2 | Navigation receiver and method for combined use of a standard RTK system and a global carrier-phase differential positioning system | Physics | 20 | Active |
| US7250901B2 | Synthetic aperture radar system and method for local positioning | Physics | 20 | Expired |
| US6603803B1 | Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurements | Physics | 19 | Expired |
| US8416133B2 | System and method for compensating for faulty measurements | Physics | 18 | Active |
| US7860145B2 | Adaptive code generator for satellite navigation receivers | Electricity | 17 | Active |
| US7212155B2 | GPS navigation using successive differences of carrier-phase measurements | Physics | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.