Average Co-Inventor Count = 1.50
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. Octel Communications Corporation (1 from 27 patents)
2. Vmx, Incorporated (1 from 15 patents)
2 patents:
1. 6097791 - Voice-messaging system with non-user outcalling and auto-provisioning
2. 5717742 - Electronic mail system having integrated voice messages