Average Co-Inventor Count = 2.40
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. Genentech, Inc. (2 from 3,221 patents)
2 patents:
1. 4680262 - Periplasmic protein recovery
2. 4511503 - Purification and activity assurance of precipitated heterologous proteins