Average Co-Inventor Count = 2.73
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Other (4 from 832,718 patents)
2. Sonera Oyj (1 from 23 patents)
5 patents:
1. 7904054 - Billing in mobile communications system employing wireless application protocol
2. 7885637 - Billing in mobile communications system employing wireless application protocol
3. 7328000 - Transaction-based service billing in a telecommunication system
4. 7224975 - Procedure and system for setting up a telecommunication connection
5. 6850762 - Procedure and system for setting up a telecommunication connection