Average Co-Inventor Count = 4.00
ph-index = 5
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 Properties, L.p. (4 from 205 patents)
2. Ameritech Corporation (4 from 159 patents)
3. Ameritech Properties, Inc. (1 from 2 patents)
9 patents:
1. 7492884 - Call screening apparatus and method
2. 7372951 - Call programming apparatus and method
3. 7254225 - Call programming apparatus and method
4. 7088811 - Call programming apparatus and method
5. 7027576 - Call screening apparatus and method
6. 7016483 - Call programming apparatus and method
7. 6631182 - Call screening apparatus and method
8. 6597781 - Call programming apparatus and method
9. 6381323 - Call programming apparatus and method