Average Co-Inventor Count = 2.00
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. (6 from 1,970 patents)
6 patents:
1. D1078994 - Handheld drug delivery device
2. D1078997 - Handheld drug delivery device
3. D1078998 - Handheld drug delivery device
4. D1051366 - Handheld drug delivery device
5. D1049366 - Handheld drug delivery device
6. D1049367 - Handheld drug delivery device