Average Co-Inventor Count = 11.00
ph-index = 2
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. (2 from 4,945 patents)
2 patents:
1. 5595999 - Guanidine derivatives
2. 5583133 - Guanidine derivatives