Average Co-Inventor Count = 3.33
ph-index = 1
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, LP (4 from 16,488 patents)
4 patents:
1. 8831201 - Method and apparatus for managing ENUM records
2. 8767589 - Method and apparatus for providing privacy for a telephone number in a network
3. 8654962 - System and method of delivering ringback audio content
4. 8401169 - System and method of delivering ringback audio content