Average Co-Inventor Count = 4.80
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. Pharmacia & Upjohn S.p.a. (2 from 97 patents)
2 patents:
1. 6376617 - Bioactive derivatives of camptothecin
2. 6328953 - Polymeric derivatives of camptothecins