Average Co-Inventor Count = 5.00
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. Other (1 from 832,680 patents)
2. Amgen Inc. (1 from 1,970 patents)
1 patent:
1. 5538861 - DNA encoding a stimulating factor for the axl receptor