Average Co-Inventor Count = 4.50
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. 4820720 - Transdermal drug composition with dual permeation enhancers
2. 4788062 - Transdermal administration of progesterone, estradiol esters, and
3. 4764379 - Transdermal drug delivery device with dual permeation enhancers