Dan Nelson
47Patents
13h-index
22Co-inventors
81Inventor score
Filing activity: Jul 30, 1992 → Jul 26, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6618806B1 | System and method for authenticating users in a computer network | Physics | 388 | Expired |
| US7587732B2 | Portable multi-purpose audience measurement system | Emerging Cross-Sectional Technologies | 132 | Active |
| US7882514B2 | Display device on/off detection methods and apparatus | Electricity | 125 | Active |
| US5369784A | Radio communications system using multiple simultaneously transmitting transceivers | Electricity | 117 | Expired |
| US8225342B2 | Methods and apparatus to collect audience information associated with a media presentation | Electricity | 52 | Active |
| US8526626B2 | Display device on/off detection methods and apparatus | Electricity | 46 | Active |
| US7643090B2 | Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal | Electricity | 39 | Expired |
| US6928547B2 | System and method for authenticating users in a computer network | Physics | 38 | Expired |
| US8553148B2 | Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal | Electricity | 30 | Active |
| US7664055B2 | System and method for synchronizing components in a mesh network | Electricity | 29 | Active |
| US8539527B2 | Portable multi-purpose audience measurement systems, apparatus and methods | Emerging Cross-Sectional Technologies | 27 | Active |
| US7584484B2 | Methods and apparatus for collecting media consumption data based on usage information | Electricity | 26 | Active |
| US8555304B2 | Methods and apparatus to collect audience information associated with a media presentation | Electricity | 14 | Active |
| US9420334B2 | Display device on/off detection methods and apparatus | Electricity | 13 | Active |
| US9961342B2 | Display device on/off detection methods and apparatus | Electricity | 11 | Active |
| US10306221B2 | Display device on/off detection methods and apparatus | Electricity | 9 | Active |
| US7848540B2 | Methods and apparatus for embedding and recovering an image for use with video content | Physics | 7 | Active |
| US10110889B2 | Display device ON/OFF detection methods and apparatus | Electricity | 7 | Active |
| US10506226B2 | Display device on/off detection methods and apparatus | Electricity | 7 | Active |
| US8806535B2 | Portable multi-purpose audience measurement systems, apparatus and methods | Emerging Cross-Sectional Technologies | 7 | Active |
| US10863236B2 | Methods and apparatus to optimize reference signature matching using watermark matching | Electricity | 6 | Active |
| US8371940B1 | Multi-player music game | Human Necessities | 6 | Active |
| US10911749B2 | Display device on/off detection methods and apparatus | Electricity | 4 | Active |
| US9326034B2 | Methods and apparatus to collect audience information associated with a media presentation | Electricity | 4 | Active |
| US8171288B2 | System and method for authenticating users in a computer network | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.