Average Co-Inventor Count = 6.00
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 Communications Inc. (2 from 31 patents)
2. Verizon Services Corporation (1 from 249 patents)
3. Bell Atlantic Corporation (1 from 12 patents)
4 patents:
1. 7529349 - Automated telephone line test apparatus with intelligent diagnostic function
2. 7298828 - Automated telephone line test apparatus with intelligent diagnostic function
3. 6614880 - Automated telephone line test apparatus with intelligent diagnostic function
4. 6438212 - Automated telephone line test apparatus with intelligent diagnostic function