Average Co-Inventor Count = 4.58
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. Tellme Networks, Inc. (2 from 39 patents)
2. Microsoft Technology Licensing, LLC (1 from 54,719 patents)
3. Vulcan Patents LLC (1 from 41 patents)
4. Interval Licensing LLC (1 from 29 patents)
5. Firstperson, Inc. (1 from 6 patents)
6 patents:
1. 8705519 - Method and apparatus for localized voice over internet protocol usage
2. 8509137 - Method and apparatus for sending presence messages
3. RE42901 - Common gateway to call control systems
4. 7286521 - Localized voice over internet protocol communication
5. 6956497 - Method and apparatus for sending presence messages
6. 5285496 - Methods and apparatus for providing a secure paging system