Average Co-Inventor Count = 2.00
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. Amersham Pharmacia Biotech Ab (1 from 35 patents)
1 patent:
1. 6319380 - Use of an earlier known separation material and novel forms of the material