Average Co-Inventor Count = 4.14
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. At+t Corp. (4 from 4,208 patents)
2. At&t Bell Laboratories (1 from 3,345 patents)
5 patents:
1. 6018568 - Voice dialing system
2. 5878384 - System and method for monitoring information flow and performing data
3. 5544229 - System for providing personalized telephone calling features
4. 5384831 - System for providing personalized telephone calling features
5. 5222125 - System for providing personalized telephone calling features