Average Co-Inventor Count = 1.33
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. Sonera Oyj (1 from 23 patents)
2. Sonera Oy (1 from 6 patents)
2 patents:
1. 6771757 - Method for producing a service profile based on user's choice for an extension in a telecommunications network
2. 6636742 - Tracking of mobile terminal equipment in a mobile communications system