Average Co-Inventor Count = 2.00
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 4,942 patents)
1 patent:
1. 4650812 - 4-oxo-3,4-dihydro-2H-1-benzopyranyloxy alkanoic acid derivatives