Average Co-Inventor Count = 3.00
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. Nec Corporation (2 from 35,771 patents)
2 patents:
1. D333651 - Battery charger for a facsimile transmitter and receiver
2. D331753 - Facsimile transmitter and receiver