Average Co-Inventor Count = 1.50
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. Nelson Research & Development Company (2 from 85 patents)
2 patents:
1. 3988442 - Cyclic nucleotide derivatives for treatment of hypothyroidism
2. 3978213 - Cosmetic use of cyclic AMP and phosphodiesterase inhibitors