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 Bell Laboratories (2 from 3,345 patents)
2 patents:
1. 5008930 - Customer definable integrated voice/data call transfer technique
2. 5001710 - Customer programmable automated integrated voice/data technique for