Average Co-Inventor Count = 4.45
ph-index = 8
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. At&t Intellectual Property I, L.p. (8 from 16,478 patents)
2. Sbc Properties, L.p. (5 from 205 patents)
3. Ameritech Corporation (4 from 159 patents)
4. At&t Knowledge Ventures, LP (3 from 71 patents)
5. Sbc Knowledge Ventures, L.p. (1 from 125 patents)
6. Sbc Holdings Properties, L.p. (1 from 4 patents)
22 patents:
1. 8781091 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
2. 8705703 - Emergency telephone call notification service system and method
3. 8284912 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
4. 7957509 - Voice enhancing for advance intelligent network services
5. 7813491 - AIN query redirection
6. 7760863 - Method and system of providing caller identification with name
7. 7623638 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
8. 7450701 - Method and system for presenting customized call alerts in a service for internet caller identification
9. 7406160 - Method and system for service control point billing
10. 7366292 - Call management reports
11. 7317787 - Voice enhancing for advance intelligent network services
12. 7068767 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
13. 7016482 - Method and system of providing caller identification with name
14. 6785372 - Method and apparatus for providing prepaid local telephone services in metered states
15. 6735285 - Emergency telephone call notification service system and method