Wendell Lynch
72Patents
18h-index
30Co-inventors
84Inventor score
Filing activity: Nov 3, 1992 → Oct 31, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5450490A | Apparatus and methods for including codes in audio signals and decoding | Electricity | 714 | Expired |
| US5579124A | Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto | Electricity | 676 | Expired |
| US5764763A | Apparatus and methods for including codes in audio signals and decoding | Electricity | 450 | Expired |
| US6871180B1 | Decoding of information in audio signals | Electricity | 211 | Expired |
| US6421445B1 | Apparatus and methods for including codes in audio signals | Electricity | 200 | Expired |
| US7640141B2 | Systems and methods for gathering audience measurement data | Electricity | 93 | Active |
| US7316025B1 | Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto | Electricity | 90 | Expired |
| US7239981B2 | Systems and methods for gathering audience measurement data | Electricity | 74 | Expired |
| US5495282A | Monitoring system for TV, cable and VCR | Electricity | 63 | Expired |
| USRE42627E1 | Encoding and decoding of information in audio signals | General | 56 | Active |
| US7961881B2 | Apparatus and methods for including codes in audio signals | Electricity | 49 | Expired |
| US6996237B2 | Apparatus and methods for including codes in audio signals | Electricity | 46 | Expired |
| US9332363B2 | System and method for determining meter presence utilizing ambient fingerprints | Physics | 42 | Active |
| US8738763B2 | Research data gathering with a portable monitor and a stationary device | Electricity | 38 | Active |
| US7174151B2 | Ensuring EAS performance in audio signal encoding | Electricity | 36 | Expired |
| US9418395B1 | Power efficient detection of watermarks in media signals | Physics | 27 | Active |
| US8538333B2 | Media exposure linking utilizing bluetooth signal characteristics | Emerging Cross-Sectional Technologies | 23 | Active |
| US8977194B2 | Media exposure and verification utilizing inductive coupling | Electricity | 20 | Active |
| US8959016B2 | Activating functions in processing devices using start codes embedded in audio | Electricity | 18 | Active |
| US7509115B2 | Ensuring EAS performance in audio signal encoding | Electricity | 14 | Active |
| US8260113B2 | Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto | Electricity | 14 | Active |
| US9015563B2 | Apparatus, system and method for merging code layers for audio encoding and decoding and error correction thereof | Electricity | 11 | Active |
| US8000677B2 | Ensuring EAS performance in audio signal encoding | Electricity | 10 | Active |
| US9100132B2 | Systems and methods for gathering audience measurement data | Electricity | 8 | Active |
| US9696336B2 | Multiple meter detection and processing using motion data | Physics | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.