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. Nms Communications Corporation (1 from 25 patents)
2. Natural Microsystems Corporation (1 from 8 patents)
2 patents:
1. 6438137 - Packet-based trunking
2. 6343086 - Global packet-switched computer network telephony server