Average Co-Inventor Count = 2.62
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 Intellectual Property I, LP (4 from 16,507 patents)
2. At+t Corp. (2 from 4,208 patents)
3. Other (1 from 832,912 patents)
7 patents:
1. 9036792 - Method for confirming end point location of 911 calls
2. 8152639 - Method and system for enhanced audio communications in an interactive environment
3. 7664234 - Method for confirming end point location of 911 calls
4. 7450694 - Method for confirming end point location of 911 calls
5. 7371175 - Method and system for enhanced audio communications in an interactive environment
6. 7254222 - Method and apparatus for implementing a pre-paid card service
7. 7133498 - Method for confirming end point location of calls