Average Co-Inventor Count = 7.00
ph-index = 9
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. Bellsouth Intellectual Property Corporation (6 from 987 patents)
2. AT&T Intellectual Property I, LP (4 from 16,492 patents)
3. At&t Delaware Intellectual Property Corporation, Inc. (1 from 178 patents)
11 patents:
1. 8060057 - Pre-paid wireless interactive voice response system with variable announcements
2. 7787860 - Pre-paid wireless interactive voice response system with variable announcements
3. 7653377 - Pre-paid wireless interactive voice response system with variable announcements
4. 7529538 - Pre-paid wireless interactive voice response system
5. 7466806 - Pre-paid wireless interactive voice response system with variable announcements
6. 7356328 - Pre-paid wireless interactive voice response system with variable announcements
7. 7231201 - Pre-paid wireless interactive voice response system
8. 7184748 - Pre-paid wireless interactive voice response system with variable announcements
9. 7088987 - Pre-paid wireless interactive voice response system with variable announcements
10. 6748066 - Pre-paid wireless interactive voice response system with variable announcements
11. 6728353 - Pre-paid wireless interactive voice response system with variable announcements