Average Co-Inventor Count = 3.69
ph-index = 1
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. Shoretel, Inc. (3 from 128 patents)
2. Mitel Networks Corporation (1 from 322 patents)
4 patents:
1. 10200533 - Media on hold features in a VoIP system
2. 9866688 - Media on hold features in a VoIP system
3. 9319520 - Media on hold features in a VoIP system
4. 8855290 - Shared call stack in a communications system