u-blox AG
132Patents
124Active
132Granted
59Portfolio score
Filing activity: Jun 19, 2002 → May 24, 2023 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8108143B1 | Navigation system enabled wireless headset | Electricity | 143 | Active |
| US8164519B1 | Fast acquisition engine | Physics | 16 | Active |
| US8614641B2 | Hybrid satellite positioning with prediction | Physics | 16 | Active |
| US7170445B2 | Positioning system | Physics | 13 | Expired |
| US7894987B1 | Hot zones trigger method for location-based applications and services | Electricity | 11 | Active |
| US9491713B2 | Compensator module for a transceiver unit, radio system and method of operating thereof | Electricity | 9 | Active |
| US7065336B2 | Analog base band unit for a RF receiver and method for using the same | Electricity | 9 | Expired |
| US9929854B2 | Duplexing apparatus, wireless devices and related methods | Electricity | 7 | Active |
| US8125381B2 | Satellite-based positioning system improvement | Electricity | 6 | Active |
| US10101990B2 | Software update system, firmware over the air updating system and method of updating a client device | Physics | 6 | Active |
| US8804551B2 | Location estimation by observing wireless signals | Electricity | 6 | Active |
| US9791279B1 | System for and method of determining angular position of a vehicle | Performing Operations; Transporting | 5 | Active |
| US10564296B2 | Distributed kalman filter architecture for carrier range ambiguity estimation | Physics | 5 | Active |
| US8224350B2 | Method and apparatus for determining location | Electricity | 5 | Active |
| US11187810B2 | Global navigation satellite system (GNSS) signal tracking | Physics | 5 | Active |
| US8059698B2 | Method of processing a digital signal derived from an analog input signal of a GNSS receiver, a GNSS receiver base band circuit for carrying out the method and a GNSS receiver | Electricity | 4 | Active |
| US6992545B2 | GPS low noise amplifier unit, duplex filter unit and GPS-cellular hand-set | Electricity | 4 | Expired |
| US10425120B2 | Signal isolation control apparatus and method of controlling a hybrid junction | Electricity | 4 | Active |
| US8930790B1 | Method and apparatus for identifying selected values from among a set of values | Electricity | 3 | Active |
| US8923547B2 | Geotagging of audio recordings | Physics | 3 | Active |
| US10496506B2 | Self-test capable integrated circuit apparatus and method of self-testing an integrated circuit | Electricity | 3 | Active |
| US7940212B2 | Method of processing a digital signal derived from an analog input signal of a GNSS receiver, a GNSS receiver base band circuit for carrying out the method and a GNSS receiver | Electricity | 3 | Active |
| US8175137B2 | Method of processing a digital signal derived from a direct-sequence spread spectrum signal | Electricity | 3 | Active |
| US8907843B2 | Processing of satellite positioning system signals | Physics | 3 | Active |
| US8126324B2 | Camera with satellite positioning system | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.