SiGe Semiconductor, Inc.
68Patents
35Active
68Granted
48Portfolio score
Filing activity: Feb 2, 2000 → Feb 3, 2017 · 19 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6850742B2 | Direct conversion receiver | Electricity | 76 | Expired |
| US7348847B2 | Integrated implementation of a collector boost scheme and method therefor | Electricity | 64 | Expired |
| US7103328B2 | Power transfer measurement circuit for wireless systems | Physics | 61 | Expired |
| US7994862B1 | Circuit and method of temperature dependent power amplifier biasing | Electricity | 46 | Active |
| US7187913B1 | Integrated circuit tuner with broad tuning range | Electricity | 42 | Expired |
| US8451044B2 | Switching circuit | Electricity | 38 | Active |
| US6680655B2 | Automatic gain control for a voltage controlled oscillator | Electricity | 37 | Expired |
| US6681103B1 | On-chip image reject filter | Electricity | 35 | Expired |
| US8729949B2 | Switching circuit | Electricity | 33 | Active |
| US8330519B2 | System and method of transistor switch biasing in a high power semiconductor switch | Electricity | 33 | Active |
| US8271028B2 | Dual band amplifier | Electricity | 30 | Active |
| US6859028B2 | Design-for-test modes for a phase locked loop | Physics | 29 | Expired |
| US7359677B2 | Device and methods for high isolation and interference suppression switch-filter | Electricity | 29 | Active |
| US8093940B2 | System and method of transistor switch biasing in a high power semiconductor switch | Electricity | 19 | Active |
| US8723531B2 | Integrated VSWR detector for monolithic microwave integrated circuits | Physics | 16 | Active |
| US6917243B2 | Integrated power amplifier circuit | Electricity | 16 | Expired |
| US6825725B1 | Integrated power amplifier circuit | Electricity | 16 | Expired |
| US6469586B1 | Low voltage voltage-controlled oscillator topology | Electricity | 14 | Expired |
| US6822511B1 | Integrated power amplifier circuit | Electricity | 12 | Expired |
| US6882220B2 | Integrated power amplifier circuit | Electricity | 12 | Expired |
| US7689180B2 | Method and apparatus for a cartesian error feedback circuit to correct distortion within a power amplifier | Electricity | 11 | Active |
| US7756500B1 | Active inductor circuits for filtering in a cable tuner circuit | Electricity | 11 | Active |
| US7170265B2 | Voltage regulator circuit with two or more output ports | Physics | 11 | Expired |
| US7728663B2 | Integrated implementation of a voltage boost follower and method therefor | Electricity | 10 | Active |
| US8260224B2 | System and method of prebias for rapid power amplifier response correction | Electricity | 10 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.