Average Co-Inventor Count = 4.00
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. Endo Pharmaceuticals Inc. (3 from 32 patents)
3 patents:
1. 9820982 - Oxymorphone controlled release formulations
2. 8329216 - Oxymorphone controlled release formulations
3. 8309122 - Oxymorphone controlled release formulations