Average Co-Inventor Count = 7.41
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. Amgen Inc. (4 from 1,970 patents)
4 patents:
1. 8334317 - Calcium receptor modulating agents
2. 7524873 - Calcium receptor modulating agents
3. 7196102 - Calcium receptor modulating agents
4. 6908935 - Calcium receptor modulating agents