Average Co-Inventor Count = 2.00
ph-index = 3
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 Wireless Services, Inc. (2 from 215 patents)
2. At+t Corp. (1 from 4,208 patents)
3. Cingular Wireless Ii, LLC (1 from 184 patents)
4 patents:
1. 7328248 - Method and apparatus for message transmission verification
2. 6845391 - Method and apparatus for message transmission verification
3. 6219542 - Method and apparatus for message transmission verification
4. 5940740 - Method and apparatus for message transmission verification