Average Co-Inventor Count = 3.00
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. Houston Biotechnology Incorporated (2 from 9 patents)
2 patents:
1. 5441937 - Neurotrophic factor
2. 5166317 - Neurotrophic factor