Average Co-Inventor Count = 3.60
ph-index = 3
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 (3 from 27 patents)
3 patents:
1. 5416830 - Integrated voice meassaging/voice response system
2. 5179585 - Integrated voice messaging/voice response system
3. 4873718 - Feature telephone integration device