Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278928 | Method, system, and program element for optimizing an abandoned call notification | Sofia Anagnostou, Grant Milner, Zisis Tsiatsikas | 2025-04-15 |
| 12081698 | Method for improving emergency response time for mobile callers | Zisis Tsiatsikas, Manfred Kehr, Eirini Michopanou, Angelos Chitas | 2024-09-03 |
| 11956706 | Computer-implemented method of processing an emergency call and emergency communication network | Zisis Tsiatsikas, Marietta Mikrouli, Sofia Anagnostou | 2024-04-09 |
| 11800344 | Computer-implemented method of processing an emergency incident and emergency communication network | Zisis Tsiatsikas, Marietta Mikrouli, Sofia Anagnostou | 2023-10-24 |
| 11233751 | Method and system for managing transmission resources in a SIP-based communication system | Zisis Tsiatsikas, Nikolaos Lazaropoulos | 2022-01-25 |
| 10931598 | Method and SIP registrar server for managing transmission resources in a SIP-based communication system | Zisis Tsiatsikas, Nikolaos Lazaropoulos | 2021-02-23 |
| 10862824 | Method and system for managing transmission resources in a SIP-based communication system | Zisis Tsiatsikas, Nikolaos Lazaropoulos | 2020-12-08 |