Average Co-Inventor Count = 5.00
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. Hoffmann-La Roche Inc. (1 from 4,948 patents)
1 patent:
1. 5981519 - Vinyl-pyrrolidinone cephalosporins