TruePosition, Inc.
117Patents
84Active
117Granted
57Portfolio score
Filing activity: Jan 8, 1999 → Jul 25, 2016 · 51 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7271765B2 | Applications processor including a database system, for use in a wireless location system | Emerging Cross-Sectional Technologies | 431 | Expired |
| US6184829A | Calibration for wireless location system | Emerging Cross-Sectional Technologies | 372 | Expired |
| US6351235B1 | Method and system for synchronizing receiver systems of a wireless location system | Emerging Cross-Sectional Technologies | 298 | Expired |
| US6782264B2 | Monitoring of call information in a wireless location system | Electricity | 248 | Expired |
| US8242959B2 | Sparsed U-TDOA wireless location networks | Electricity | 242 | Active |
| US6876859B2 | Method for estimating TDOA and FDOA in a wireless location system | Physics | 236 | Expired |
| US7023383B2 | Multiple pass location processor | Electricity | 218 | Expired |
| US6463290B1 | Mobile-assisted network based techniques for improving accuracy of wireless location system | Physics | 200 | Expired |
| US6317604A | Centralized database system for a wireless location system | Emerging Cross-Sectional Technologies | 197 | Expired |
| US6091362A | Bandwidth synthesis for wireless location system | Emerging Cross-Sectional Technologies | 189 | Expired |
| US7167713B2 | Monitoring of call information in a wireless location system | Electricity | 173 | Expired |
| US6603428B2 | Multiple pass location processing | Emerging Cross-Sectional Technologies | 159 | Expired |
| US6097336A | Method for improving the accuracy of a wireless location system | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6400320B1 | Antenna selection method for a wireless location system | Emerging Cross-Sectional Technologies | 154 | Expired |
| US6334059A | Modified transmission method for improving accuracy for e-911 calls | Physics | 153 | Expired |
| US6873290B2 | Multiple pass location processor | Electricity | 141 | Expired |
| US6646604B2 | Automatic synchronous tuning of narrowband receivers of a wireless location system for voice/traffic channel tracking | Electricity | 136 | Expired |
| US6563460B2 | Collision recovery in a wireless location system | Emerging Cross-Sectional Technologies | 133 | Expired |
| US6266013A | Architecture for a signal collection system of a wireless location system | Emerging Cross-Sectional Technologies | 128 | Expired |
| US6285321A | Station based processing method for a wireless location system | Emerging Cross-Sectional Technologies | 127 | Expired |
| US6281834A | Calibration for wireless location system | Emerging Cross-Sectional Technologies | 119 | Expired |
| US6317081A | Internal calibration method for receiver system of a wireless location system | Emerging Cross-Sectional Technologies | 117 | Expired |
| US6661379B2 | Antenna selection method for a wireless location system | Emerging Cross-Sectional Technologies | 117 | Expired |
| US6172644A | Emergency location method for a wireless location system | Emerging Cross-Sectional Technologies | 115 | Expired |
| US6765531B2 | System and method for interference cancellation in a location calculation, for use in a wireless location system | Electricity | 115 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.