Robert Callaghan
4Patents
2h-index
9Co-inventors
30Inventor score
Filing activity: Jul 14, 1999 → Mar 10, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6882722B2 | Virtual private communications network | Electricity | 4 | Expired |
| US6904041B1 | System and method for communication domains and subdomains in zones of real time communication systems | Electricity | 3 | Expired |
| US7203298B2 | Call completion services for hybrid public/private communications networks | Electricity | 2 | Expired |
| US7496924B2 | Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBX | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.