Average Co-Inventor Count = 4.20
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. Qwest Communications International Inc. (2 from 435 patents)
2 patents:
1. 7139376 - Method and system for providing preselected information services upon detection of an off-hook condition
2. 6721408 - Method and apparatus for recording or forwarding messages