Average Co-Inventor Count = 1.50
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. Vanson, Inc. (2 from 5 patents)
2 patents:
1. 5393435 - Removal of organic contaminants from aqueous media
2. 5336415 - Removing polyvalent metals from aqueous waste streams with chitosan and