Average Co-Inventor Count = 4.48
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. (5 from 4,208 patents)
5 patents:
1. 6385308 - Telephone system and method for personalized announcements
2. 6160878 - Automatic international redial disablement and status delivery method
3. 6078655 - Automatic international reattempt method and apparatus
4. 6069939 - Country-based language selection
5. 6038307 - International redial system driven by unsuccessful call reasons