Average Co-Inventor Count = 4.71
ph-index = 4
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 (4 from 1,062 patents)
4 patents:
1. 6491945 - Hydrocodone therapy
2. 5866164 - Composition and dosage form comprising opioid antagonist
3. 5866161 - Hydrocodone therapy
4. 4857330 - Chlorpheniramine therapy