Average Co-Inventor Count = 3.62
ph-index = 6
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 Corp. (9 from 4,208 patents)
2. At&t Intellectual Property I, L.p. (3 from 16,481 patents)
3. Other (1 from 832,718 patents)
13 patents:
1. 8204203 - Method of managing circuit switched and internet protocol telephone lines associated with a digital subscriber line service
2. 8014384 - Intelligent network interface device for caller identification multicasting
3. 7970392 - Method for call forwarding a call from a mobile telephone
4. 7831026 - Call progress information in cable telephony
5. 7627322 - Method for call forwarding a call from a mobile telephone
6. 7194268 - Method for call forwarding a call from a mobile telephone
7. 7133507 - Call progress information in cable telephony
8. 7113503 - Intelligent network interface device for caller identification multicasting
9. 7046783 - Seamless re-direction of calls between home and mobile telephones
10. 6987840 - Integrated message management method and system
11. 6920206 - Call progress information in cable telephony
12. 6856806 - Method for call forwarding a call from a mobile telephone
13. 6707893 - Call progress information in cable telephony