Average Co-Inventor Count = 4.95
ph-index = 6
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. (13 from 1,976 patents)
13 patents:
1. D1106445 - Handheld drug delivery device
2. 12440625 - Drug delivery device
3. D1097129 - Handheld drug delivery device
4. 12311151 - Drug delivery device
5. D1073061 - Handheld drug delivery device
6. D1071156 - Handheld drug delivery device
7. 12208245 - Drug delivery device
8. 11878149 - Drug delivery device
9. D1010811 - Handheld drug delivery device
10. D1004078 - Handheld drug delivery device
11. D985116 - Handheld drug delivery device
12. D985117 - Handheld drug delivery device
13. D985118 - Handheld drug delivery device