Average Co-Inventor Count = 6.46
ph-index = 5
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. Verizon Patent and Licensing Inc. (4 from 6,545 patents)
2. Verizon Business Global LLC (2 from 289 patents)
3. Mci, Inc. (2 from 161 patents)
8 patents:
1. 8543084 - Systems and methods for providing multiple simultaneous calls from the same prepaid account
2. 8175235 - Lease model for avoiding permanent card locking
3. 8064579 - Prepaid services accounts with multi-user customers and individualized quotas
4. 7957720 - Systems and methods for providing multiple simultaneous calls from the same prepaid account
5. 7640166 - Method for charging on-line directory assistance services
6. 7275162 - On-line directory assistance system
7. 7127617 - On-line directory assistance system
8. 7069446 - Stateless mechanism for data retrieval