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. Cephalon, Inc. (2 from 247 patents)
2 patents:
1. 7018999 - Methods for the treatment and prevention of pain
2. 6184217 - Use of K-252a derivative