Average Co-Inventor Count = 2.00
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. Nelson Research & Development Company (2 from 85 patents)
2 patents:
1. 4190673 - Colchicine ophthalmic composition and method of use
2. 4188394 - Ophthalmic composition and method of use