Average Co-Inventor Count = 5.00
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 (1 from 16,507 patents)
2. At+t Corp. (1 from 4,208 patents)
2 patents:
1. 7949010 - Telecommunication network system and method in communication services using session initiation protocol
2. 7251254 - Telecommunication network system and method in communication services using session initiation protocol