Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9426286 | Call-back function | Mattias Hansson, Felix Wallen, Shitian Long | 2016-08-23 |
| 8385949 | Method, call setup device and computer product for controlling and setting up calls with reduced costs | Mattias Hansson | 2013-02-26 |
| 7996013 | Method, call setup device and computer product for controlling and setting up calls with reduced costs | Mattias Hansson | 2011-08-09 |
| 6408174 | Communication method, system, and device for reducing processor load at tariff switch | — | 2002-06-18 |