Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816722 | Detecting and preventing fraudulent use in a telecommunications network | Vesa Blom, Kari Einamo, Petteri Mandelin, Esko Paldan, Leena Rossi +4 more | 2004-11-09 |
| 6633768 | Restriction of communication duration in a telecommunications network | Soili Haapala, Tomi Lindgren, Markus Martin, Raili Numminen | 2003-10-14 |
| 6473611 | Preventing misuse of call forwarding service | — | 2002-10-29 |
| 6341220 | Finding copied sim cards | — | 2002-01-22 |