Average Co-Inventor Count = 5.39
ph-index = 5
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. (10 from 1,971 patents)
10 patents:
1. D1097129 - Handheld drug delivery device
2. D1084306 - Handheld drug delivery device
3. D1083087 - Handheld drug delivery device
4. D1073061 - Handheld drug delivery device
5. D1071156 - Handheld drug delivery device
6. D1030040 - Handheld drug delivery device
7. D1030041 - Handheld drug delivery device
8. D985116 - Handheld drug delivery device
9. D985117 - Handheld drug delivery device
10. D985118 - Handheld drug delivery device