Average Co-Inventor Count = 17.99
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 Company (1 from 523 patents)
1 patent:
1. 7902195 - Pyridine [3,4-b] pyrazinones