Keith A. Lantz
39Patents
24h-index
19Co-inventors
78Inventor score
Filing activity: Oct 1, 1993 → Apr 19, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5617539A | Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network | Electricity | 738 | Expired |
| US5758079A | Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference | Electricity | 584 | Expired |
| US5689641A | Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal | Electricity | 560 | Expired |
| US6237025A | Multimedia collaboration system | Electricity | 505 | Expired |
| US6583806B2 | Videoconferencing hardware | Electricity | 411 | Expired |
| US7433921B2 | System for real-time communication between plural users | Emerging Cross-Sectional Technologies | 356 | Expired |
| US5854893A | System for teleconferencing in which collaboration types and participants by names or icons are selected by a participant of the teleconference | Electricity | 349 | Expired |
| US6594688B2 | Dedicated echo canceler for a workstation | Emerging Cross-Sectional Technologies | 286 | Expired |
| US7206809B2 | Method for real-time communication between plural users | Emerging Cross-Sectional Technologies | 277 | Expired |
| US5884039A | System for providing a directory of AV devices and capabilities and call processing such that each participant participates to the extent of capabilities available | Electricity | 271 | Expired |
| US6351762B1 | Method and system for log-in-based video and multimedia calls | Electricity | 269 | Expired |
| US7152093B2 | System for real-time communication between plural users | Emerging Cross-Sectional Technologies | 224 | Expired |
| US5896500A | System for call request which results in first and second call handle defining call state consisting of active or hold for its respective AV device | Electricity | 214 | Expired |
| US5978835A | Multimedia mail, conference recording and documents in video conferencing | Electricity | 191 | Expired |
| US7185054B1 | Participant display and selection in video conference calls | Electricity | 182 | Expired |
| US6989856B2 | System and method for performing distributed video conferencing | Electricity | 161 | Expired |
| US5915091A | Synchronization in video conferencing | Electricity | 158 | Expired |
| US7477282B2 | System and method for performing distributed video conferencing | Electricity | 126 | Active |
| US7421470B2 | Method for real-time communication between plural users | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5802294A | Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images | Electricity | 103 | Expired |
| US7084898B1 | System and method for providing video conferencing synchronization | Electricity | 96 | Expired |
| US5867654A | Two monitor videoconferencing hardware | Electricity | 78 | Expired |
| US6343314B1 | Remote participant hold and disconnect during videoconferencing | Electricity | 62 | Expired |
| US7908320B2 | Tracking user locations over multiple networks to enable real time communications | Emerging Cross-Sectional Technologies | 26 | Active |
| US7412482B2 | System for managing real-time communications | Emerging Cross-Sectional Technologies | 24 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.