Average Co-Inventor Count = 17.99
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. Changchun Institute of Biological Products, Ministry of Public Health (1 from 2 patents)
1 patent:
1. 6884422 - Freeze-dried hepatitis A attenuated live vaccine and its stabilizer