Average Co-Inventor Count = 5.00
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 Corp. (2 from 4,208 patents)
2 patents:
1. 6594257 - Network-based method and apparatus for initiating and completing a telephone call via the internet
2. 6144667 - Network-based method and apparatus for initiating and completing a