Average Co-Inventor Count = 7.23
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. (5 from 1,970 patents)
5 patents:
1. D1101191 - Vial sleeve
2. D962472 - Vial sleeve
3. 10988284 - Vial sleeve assembly
4. D894423 - Vial sleeve
5. D827153 - Vial sleeve