Average Co-Inventor Count = 1.41
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. Porta Systems Corporation (4 from 141 patents)
4 patents:
1. D276426 - Demarcation telephone protector block
2. 4466688 - Self-centering plug and socket
3. 4449156 - Telephone central office gas tube replacement protector
4. 4337495 - Carbon electrode having metallic heat sink