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. Isl-institut Franco-allemand De Recherches De Saint-louis (1 from 4 patents)
1 patent:
1. 6068079 - Acoustic valve capable of selective and non-linear filtering of sound