Average Co-Inventor Count = 2.89
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. Sbc Properties, L.p. (12 from 205 patents)
2. Ameritech Corporation (8 from 159 patents)
3. At&t Intellectual Property I, L.p. (7 from 16,478 patents)
4. At&t Knowledge Ventures, LP (3 from 71 patents)
5. Ameritech Properties, Inc. (1 from 2 patents)
31 patents:
1. 8155296 - Method, system, and article for audibly identifying a called party
2. 8130920 - System and method for providing network information service using CID-type messages
3. 8090091 - Network element routing service
4. 7940907 - Method, system, and article for placing a telephone call to a previously-called party
5. 7620168 - Network element routing service
6. 7523489 - Smart card application system and method
7. 7492884 - Call screening apparatus and method
8. 7450707 - Method, system, and article for audibly identifying a called party
9. 7447304 - System and method for routing both toll-free and caller-paid telephone calls to call service centers
10. 7372951 - Call programming apparatus and method
11. 7359502 - System for providing network information service using CID-type messages
12. 7324639 - Services node routing service
13. 7254225 - Call programming apparatus and method
14. 7224789 - System and method for routing both toll-free and caller-paid telephone calls to call service centers
15. 7218717 - Method, system, and article for audibly identifying a called party