Average Co-Inventor Count = 6.00
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. Alza Corporation (3 from 1,062 patents)
3 patents:
1. 6284274 - Analgesic tablet compositions
2. 6077538 - Controlled release tablet compositions
3. 5948787 - Compositions containing opiate analgesics