Frederick Iffland
5Patents
2h-index
10Co-inventors
44Inventor score
Filing activity: Jun 2, 2004 → Jun 13, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7573825B2 | Methods, apparatus and computer program products for testing a voice over Internet protocol communication system | Electricity | 40 | Active |
| US8139745B2 | Calling party ringtone selection in telephone system | Electricity | 4 | Active |
| US8477758B2 | Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line | Electricity | 2 | Active |
| US8654949B2 | Methods, systems and computer program products for providing access to personal profiles in communications systems | Electricity | 0 | Active |
| US9118510B2 | Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.