Average Co-Inventor Count = 3.00
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. Amgen Inc. (1 from 1,970 patents)
1 patent:
1. 11384140 - Direct selection of cells expressing high levels of heteromeric proteins using glutamine synthetase intragenic complementation vectors