Stefan Gierl
15Patents
6h-index
8Co-inventors
55Inventor score
Filing activity: Jul 13, 2001 → Jul 24, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7065217B2 | Apparatus and method for multichannel sound reproduction system | Electricity | 10 | Expired |
| US7277686B2 | Antenna and frequency diversity receiving apparatus | Electricity | 9 | Expired |
| US7120404B2 | Radio reception system with automatic tuning | Electricity | 8 | Expired |
| US7254378B2 | Receiver system for decoding data embedded in an electromagnetic signal | Electricity | 7 | Expired |
| US7889871B2 | Apparatus for multichannel sound reproduction system | Electricity | 7 | Active |
| US7315623B2 | Method for supressing surrounding noise in a hands-free device and hands-free device | Physics | 6 | Expired |
| US7747232B2 | Radio reception system with automatic tuning | Electricity | 5 | Active |
| US6661292B2 | Apparatus and method for demodulating a radio data system (RDS) signal | Electricity | 4 | Expired |
| US7305225B2 | Radio signal receiver | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7164735B2 | Phase-locked loop for synchronization with a subcarrier contained in an intelligence signal | Electricity | 3 | Expired |
| US9374117B2 | Stereo decoding system | Electricity | 2 | Active |
| US7738609B2 | Multipath compensation for signal receivers | Electricity | 1 | Active |
| US7239710B2 | Stereo radio receiver with noise suppression | Electricity | 0 | Expired |
| US8116474B2 | System for suppressing ambient noise in a hands-free device | Physics | 0 | Active |
| US8229034B2 | FM radio receiver processing system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.