Average Co-Inventor Count = 5.00
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. Verizon Business Global LLC (1 from 289 patents)
2. Mci, Inc. (1 from 161 patents)
3. Worldcom, Inc. (1 from 132 patents)
3 patents:
1. 7496091 - Virtual PBX system
2. 6775272 - Virtual PBX system
3. 6393017 - Virtual PBX system