Jorma Jaakkola

Follow

Person

Vantaa, FI

People

Patents Grantslast 30 patents

Information Patent Grant
System for managing and exchanging telecommunication system subscri...
- Patent number 6,880,001
- Issue date Apr 12, 2005
- Sonera Oyj
- Jorma Jaakkola
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for implementing transaction-based billing for telephone ser...
- Patent number 6,373,933
- Issue date Apr 16, 2002
- Sonera Oyj
- Mika Sarkki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE