Average Co-Inventor Count = 3.00
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. Sbc Technology Resources, Inc. (2 from 169 patents)
2. At&t Labs, Inc. (1 from 74 patents)
3 patents:
1. 7333595 - Voice mail interface
2. 6826264 - Voice mail interface
3. 6442243 - Voice mail interface