Sonera Oy
6Patents
0Active
6Granted
25Portfolio score
Filing activity: Oct 15, 1996 → Sep 17, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6728553B1 | Subscriber identity module mobile station and method for performing a smart card function | Electricity | 22 | Expired |
| US6134239A | Method for rejecting cells at an overloaded node buffer | Electricity | 11 | Expired |
| US5956653A | Method for calling by a terminal, like a card controlled mobile station, of a mobile communication system | Electricity | 10 | Expired |
| US5898918A | Method for classifying calls for a mobile subscription | Electricity | 10 | Expired |
| US6771757B1 | Method for producing a service profile based on user's choice for an extension in a telecommunications network | Electricity | 3 | Expired |
| US6301348A | Method and system for changing a direction of establishing a telecommunication connection | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.