Sequoia Communications
30Patents
4Active
30Granted
39Portfolio score
Filing activity: Nov 8, 2001 → Jul 27, 2007 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6724235B2 | BiCMOS variable-gain transconductance amplifier | Electricity | 32 | Expired |
| US6801089B2 | Continuous variable-gain low-noise amplifier | Electricity | 23 | Expired |
| US6856205B1 | VCO with automatic calibration | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6980786B1 | Adaptive receiver system that adjusts to the level of interfering signals | Electricity | 22 | Expired |
| US7054605B1 | Variable-gain low noise amplifier to reduce linearity requirements on a radio receiver | Electricity | 22 | Expired |
| US6798290B2 | Translinear variable gain amplifier | Electricity | 22 | Expired |
| US6774740B1 | System for highly linear phase modulation | Electricity | 21 | Expired |
| US6795843B1 | Low-distortion differential circuit | Electricity | 20 | Expired |
| US7135929B1 | Bias voltage circuit with ultra low output impedance | Electricity | 19 | Expired |
| US7382849B1 | Charge pump circuit | Electricity | 19 | Expired |
| US6664865B2 | Amplitude-adjustable oscillator | Electricity | 18 | Expired |
| US7171170B2 | Envelope limiting for polar modulators | Electricity | 18 | Expired |
| US6703887B2 | Long time-constant integrator | Physics | 17 | Expired |
| US7164318B2 | Continuous variable-gain low-noise amplifier | Electricity | 10 | Expired |
| US7489916B1 | Direct down-conversion mixer architecture | Electricity | 5 | Expired |
| US7109815B1 | VCO with automatic calibration | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7496338B1 | Multi-segment gain control system | Electricity | 5 | Expired |
| US7061341B1 | System for highly linear phase modulation | Electricity | 4 | Expired |
| US7587179B1 | Direct synthesis transmitter | Electricity | 4 | Expired |
| US7548122B1 | PLL with switched parameters | Electricity | 3 | Active |
| US7522017B1 | High-Q integrated RF filters | Electricity | 3 | Expired |
| US7479815B1 | PLL with dual edge sensitivity | Electricity | 3 | Expired |
| US7157971B2 | Low-distortion differential circuit | Electricity | 2 | Expired |
| US7522005B1 | KFM frequency tracking system using an analog correlator | Electricity | 2 | Active |
| US7412213B1 | Envelope limiting for polar modulators | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.