Average Co-Inventor Count = 3.20
ph-index = 2
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 (1 from 16,492 patents)
2. Qwest Communications International Inc. (1 from 435 patents)
2 patents:
1. 8134930 - Methods of providing digital data services including comparing predicted and measured levels of performance and related systems and computer program products
2. 6192218 - Method and system for identifying and transmitting calling party information as part of a paging signal