Average Co-Inventor Count = 4.00
ph-index = 4
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. Lucent Technologies Inc. (2 from 9,364 patents)
2. At+t Corp. (2 from 4,208 patents)
4 patents:
1. 6381311 - Automated message system for a calling party
2. 5850429 - Method and system for remotely controlling an interactive voice response
3. 5799066 - Automated message system for a calling party
4. 5740538 - System and method for identifying the location of a wireless terminal