Average Co-Inventor Count = 4.00
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. Amgen Inc. (2 from 1,974 patents)
2 patents:
1. 7262166 - Chemically modified novel erythropoietin stimulating protein compositions and methods
2. 6586398 - Chemically modified novel erythropoietin stimulating protein compositions and methods