Average Co-Inventor Count = 3.43
ph-index = 1
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. (1 from 32 patents)
2. Penwest Pharmaceuticals Company (1 from 11 patents)
2 patents:
1. 9278076 - Chronotherapeutic dosage forms
2. 8389008 - Delayed release dosage forms