Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086545 | Charging in a communication system | Juha Vallinen | 2011-12-27 |
| 8078142 | Prepaid charging in communication network | Juha Vallinen | 2011-12-13 |
| 8031702 | Charging control in IP multimedia subsystem | Anne Narhi, Juha Vallinen, Mika K. Salminen | 2011-10-04 |
| 8009816 | Arranging subscriber billing in telecommunication system | Jari Syrjala, Juha Vallinen | 2011-08-30 |
| 7869787 | Charging for an IP based communication system | Juha Vallinen, Marco Stura, Elena Lialiamou, Anne Narhi | 2011-01-11 |