Average Co-Inventor Count = 4.17
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 (2 from 25 patents)
2. Bose Corporation (1 from 2,149 patents)
3. Natural Microsystems Corporation (1 from 8 patents)
4 patents:
1. 11253747 - Automated activity detection and tracking
2. 7058026 - Internet teleconferencing
3. 6396851 - DTMF tone detection and suppression with application to computer telephony over packet switched networks
4. 6226303 - DTMF tone detection and suppression with application to computer telephony over packet switched networks