Average Co-Inventor Count = 3.00
ph-index = 1
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 (1 from 459 patents)
1 patent:
1. 7257483 - Method and apparatus for determining the position of an underwater object in real-time