Average Co-Inventor Count = 4.20
ph-index = 2
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. (2 from 4,208 patents)
2 patents:
1. 5901213 - Method for providing virtual dedicated access to an inter-exchange
2. 5390243 - Telemarketing complex with automatic threshold levels