Julia R. Vallinen

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Patents Grantslast 30 patents

Information Patent Grant
Prepaid charging in communication network
- Patent number 7,787,859
- Issue date Aug 31, 2010
- Nokia Corporation
- Juha-Pekka Koskinen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Prepaid charging in communication network
- Publication number 20050136888
- Publication date Jun 23, 2005
- Nokia Corporation
- Juha-Pekka Koskinen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE