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. Other (1 from 833,002 patents)
2. Endorphin, Inc. (1 from 2 patents)
2 patents:
1. 4438104 - Endorphins having placental or pancreatic origin
2. 4316895 - Endorphins having placental or pancreatic origin