MK

Martti Kosonen

SO Sonera Oyj: 1 patents #9 of 24Top 40%
📍 Helsinki, FI: #2,126 of 3,940 inventorsTop 55%
Overall (All Time): #3,541,383 of 4,157,543Top 90%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6373933 Method for implementing transaction-based billing for telephone services Mika Sarkki, Jukka Airaksinen, Jorma Jaakkola 2002-04-16