Average Co-Inventor Count = 2.29
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. 4960416 - Dosage form with improved delivery capability
2. 4863456 - Dosage form with improved delivery capability
3. 4857330 - Chlorpheniramine therapy
4. 4753802 - Verapamil dosage form