Average Co-Inventor Count = 3.00
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. Alza Corporation (2 from 1,062 patents)
2 patents:
1. 5318558 - Osmotically driven delivery device with expandable orifice for pulsatile
2. 5221278 - Osmotically driven delivery device with expandable orifice for pulsatile