Average Co-Inventor Count = 2.33
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, L.p. (6 from 16,488 patents)
13 patents:
1. 8873723 - IP telephone geographic locator
2. 8855613 - Monitoring mobile phone communications
3. 8685110 - System and method for securing a computer system
4. 8472923 - Monitoring mobile phone communications
5. 7933393 - Method and apparatus for selective post-call audio logo/message
6. 7715544 - Method and apparatus for selective call waiting treatment
7. 7630359 - Technique for providing translation between the packet environment and the PSTN environment
8. 7079629 - Method and apparatus for selective post-call audio logo/message
9. 6907031 - Customer premises equipment call re-routing technique
10. 6870917 - Methods and systems for call interruption services
11. 6603840 - Technique for linking telephony and multimedia information
12. 6442244 - Method and apparatus for selective audio logo and/or announcements in a telecommunications network
13. 6292553 - Method and apparatus for IP network call delivery