Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8031702 | Charging control in IP multimedia subsystem | Juha-Pekka Koskinen, Juha Vallinen, Mika K. Salminen | 2011-10-04 |
| 7869787 | Charging for an IP based communication system | Juha-Pekka Koskinen, Juha Vallinen, Marco Stura, Elena Lialiamou | 2011-01-11 |