Average Co-Inventor Count = 1.50
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. Qwest Communications International Inc. (3 from 435 patents)
3 patents:
1. 9042538 - Multi-line telephone calling
2. 8184793 - Multi-line telephone calling
3. 7295984 - Systems and methods for providing voice and data interfaces to web services-based applications