Average Co-Inventor Count = 3.41
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. Sbc Properties, L.p. (7 from 205 patents)
2. Ameritech Corporation (3 from 159 patents)
3. At&t Intellectual Property I, L.p. (1 from 16,478 patents)
11 patents:
1. 7961859 - Method and system for providing enhanced call waiting and caller identification
2. 7272221 - System and method for providing telephony services to remote subscribers
3. 7260196 - Method and system for providing enhanced caller identification and privacy management
4. 7233651 - Method and system for providing enhanced call waiting and caller identification
5. 7020268 - System and method for providing telephony services to remote subscribers
6. 6954521 - Method and system for providing enhanced call waiting and caller identification
7. 6807272 - System and method for providing telephony services to remote subscribers
8. 6771754 - Method and system for providing enhanced caller identification and privacy management
9. 6498841 - Method and system for providing enhanced call waiting and caller identification
10. 6496569 - Method and system for providing enhanced caller identification and privacy management
11. 6411704 - System and method for providing telephony services to remote subscribers