Hubert Przybysz
32Patents
5h-index
39Co-inventors
65Inventor score
Filing activity: Jul 8, 2005 → Jun 20, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8472376B2 | Handling multiple user interfaces in an IP multimedia subsystem | Electricity | 9 | Active |
| US8000732B2 | Methods and apparatus for push to talk type service | Electricity | 7 | Active |
| US8438257B2 | Methods, apparatuses and computer program for IMS recovery upon restart of a S-CSCF | Electricity | 7 | Active |
| US8270418B2 | Access control in a communication network | Electricity | 6 | Active |
| US8782208B2 | Method and apparatus for use in a communications network | Electricity | 5 | Active |
| US7761600B2 | Method and apparatus for distributing application server addresses in an IMS | Electricity | 5 | Expired |
| US8844011B2 | IP multimedia subsystem user identity handling method and apparatus | Electricity | 5 | Active |
| US8175576B2 | Method and apparatus for use in a communications network | Electricity | 5 | Active |
| US8195155B2 | Service profile handling in the IMS | Electricity | 5 | Active |
| US9137200B2 | Ice based NAT traversal | Electricity | 4 | Active |
| US8266302B2 | Evaluating initial filter criteria | Electricity | 4 | Active |
| US9026675B2 | IMS restoration procedures for multiple contacts | Electricity | 3 | Active |
| US9258179B2 | Failure recovery in an IP multimedia subsystem network | Electricity | 3 | Active |
| US9288237B2 | Gateway and a method therein for enabling SIP communication over a non-standard SIP transport protocol | Electricity | 2 | Active |
| US8599833B2 | Transport of connectivity status information in an IP multimedia subsystem network | Electricity | 2 | Active |
| US8572258B2 | Control of quality-of-service preconditions in an IP multimedia subsystem | Electricity | 2 | Active |
| US9560084B2 | Reallocation of serving proxy function in IMS | Electricity | 1 | Active |
| US8825875B2 | Session establishment in a communication network | Electricity | 1 | Active |
| US9077721B2 | Methods and apparatus for registering or deregistering a user to or from an IP multimedia subsystem | Electricity | 1 | Active |
| US8121583B2 | Methods and apparatus for push to talk and conferencing service | Electricity | 1 | Active |
| US8503312B2 | Failure recovery in an IP multimedia subsystem network | Electricity | 1 | Active |
| US10771510B2 | IMS application control protocol | Electricity | 1 | Active |
| US9450887B2 | Methods and apparatuses for notifying an application function of resource restrictions relating to a communication session | Electricity | 0 | Active |
| US8688814B2 | Methods and apparatuses for notifying an application function of resource restrictions relating to a communication session | Electricity | 0 | Active |
| US9357026B2 | Presentity authorization of buddy subscription in a communication system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.