Average Co-Inventor Count = 1.00
ph-index = 3
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. Sbc Knowledge Ventures, L.p. (3 from 125 patents)
3 patents:
1. 7545921 - Method and system for use with phone calls originating from a facility
2. 7505573 - Inmate called party prepaid card method and system
3. 7359494 - System and method for restricted telephone message delivery