Average Co-Inventor Count = 3.42
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. At+t Corp. (7 from 4,208 patents)
2. At&t Intellectual Property I, LP (3 from 16,515 patents)
10 patents:
1. 8204203 - Method of managing circuit switched and internet protocol telephone lines associated with a digital subscriber line service
2. 7957310 - Network-based notification of voice mail
3. 7949331 - Voicemail system with calling party identification
4. 7623850 - Voicemail system with calling party identification
5. 7286493 - Network-based notification of voice mail
6. 7218709 - Intelligent voicemail message waiting system and method
7. 7206322 - System and method for using ADSL for introducing multiple derived lines over a single line
8. 7046783 - Seamless re-direction of calls between home and mobile telephones
9. 7010100 - Intelligent voicemail message waiting system and method
10. 6987840 - Integrated message management method and system