Average Co-Inventor Count = 4.00
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. Hydro-quebec (2 from 459 patents)
2 patents:
1. 6075464 - Dynamic and non-contact measurement of displacement or of permittivity
2. 5990807 - Dynamic and non-contact measurement of displacement or of permittivity