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. Schering Corporation (1 from 1,829 patents)
1 patent:
1. 5034133 - Purification of human interleukin-4 from a CHO-cell line culture medium