Daniel Ryan
63Patents
20h-index
10Co-inventors
77Inventor score
Filing activity: Feb 8, 2012 → Mar 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8248467B1 | Light positioning system using digital pulse recognition | Electricity | 189 | Active |
| US8334901B1 | Method and system for modulating a light source in a light based positioning system using a DC bias | Physics | 175 | Active |
| US8432438B2 | Device for dimming a beacon light source used in a light based positioning system | Electricity | 151 | Active |
| US8334898B1 | Method and system for configuring an imaging device for the reception of digital pulse recognition information | Electricity | 77 | Active |
| US8457502B2 | Method and system for modulating a beacon light source in a light based positioning system | Electricity | 74 | Active |
| US8520065B2 | Method and system for video processing to determine digital pulse recognition tones | Physics | 68 | Active |
| US8436896B2 | Method and system for demodulating a digital pulse recognition signal in a light based positioning system using a Fourier transform | Physics | 62 | Active |
| US8416290B2 | Method and system for digital pulse recognition demodulation | Electricity | 58 | Active |
| US8866391B2 | Self identifying modulated light source | Electricity | 54 | Active |
| US9723676B2 | Method and system for modifying a beacon light source for use in a light based positioning system | Physics | 49 | Active |
| US8994799B2 | Method and system for determining the position of a device in a light based positioning system using locally stored maps | Physics | 46 | Active |
| US8964016B2 | Content delivery based on a light positioning system | Electricity | 45 | Active |
| US8947513B2 | Method and system for tracking and analyzing data obtained using a light based positioning system | Electricity | 44 | Active |
| US8994814B2 | Light positioning system using digital pulse recognition | Electricity | 44 | Active |
| US8957951B1 | Content delivery based on a light positioning system | Electricity | 43 | Active |
| US9509402B2 | System and method for communication with a mobile device via a positioning system including RF communication devices and modulated beacon light sources | Electricity | 41 | Active |
| US9055200B1 | Content delivery based on a light positioning system | Electricity | 37 | Active |
| US9054803B1 | Content delivery based on a light positioning system | Electricity | 33 | Active |
| US10024948B2 | Independent beacon based light position system | Electricity | 29 | Active |
| US9418115B2 | Location-based mobile services and applications | Electricity | 27 | Active |
| US9600983B1 | Method and system for dynamic reassignment of an identification code in a light-based positioning system | Electricity | 20 | Active |
| US9287976B2 | Independent beacon based light position system | Electricity | 15 | Active |
| US9846222B2 | System and method for estimating the position and orientation of a mobile communications device in a beacon-based positioning system | Physics | 12 | Active |
| US9444547B2 | Self-identifying one-way authentication method using optical signals | Electricity | 9 | Active |
| US9594152B2 | System and method for estimating the position and orientation of a mobile communications device in a beacon-based positioning system | Physics | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.