Average Co-Inventor Count = 3.27
ph-index = 3
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. Merck + Co., Inc. (3 from 4,770 patents)
3 patents:
1. 4767627 - Drug delivery device which can be retained in the stomach for a
2. 4758436 - Drug delivery device which can be retained in the stomach for a
3. 4735804 - Drug delivery device which can be retained in the stomach for a