Average Co-Inventor Count = 3.90
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. American Home Products Corporation (5 from 1,567 patents)
5 patents:
1. 4904476 - Formulations providing three distinct releases
2. 4861591 - Formulations for hygroscopic pharmaceuticals
3. 4794001 - Formulations providing three distinct releases
4. 4781925 - Calcium supplement compressed tablets
5. 4728512 - Formulations providing three distinct releases