Average Co-Inventor Count = 5.34
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. 12303677 - Hybrid drug delivery devices with optional grip portion and related method of preparation
2. 12115360 - Hybrid drug delivery devices with grip portion
3. 12102808 - Drug delivery device
4. 12042645 - Delivery devices for administering drugs
5. 11590277 - Drug delivery device with activation prevention feature