Average Co-Inventor Count = 3.10
ph-index = 1
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. Bank of America Corporation (4 from 6,006 patents)
2. Nortel Networks Corporation (1 from 4,171 patents)
5 patents:
1. 9911125 - Preventing contact by locking
2. 9781241 - Cease and desist call flagging
3. 9088654 - Communication disposition determination for unified recovery system for payments in arrears
4. 8971516 - Unified recovery system communication history tracking for payments in arrears
5. 7477734 - Packet switching dialing plan interface to/from PSTN networks