Average Co-Inventor Count = 1.60
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. Porta Systems Corporation (2 from 141 patents)
2 patents:
1. D297232 - Telephone connector block
2. 4581493 - Line condition reporting system