Average Co-Inventor Count = 3.00
ph-index = 6
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 (6 from 1,567 patents)
6 patents:
1. 4309404 - Sustained release pharmaceutical compositions
2. 4309405 - Sustained release pharmaceutical compositions
3. 4309406 - Sustained release pharmaceutical compositions
4. 4248856 - Sustained release pharmaceutical compositions
5. 4248857 - Sustained release pharmaceutical compositions
6. 4248858 - Sustained release pharmaceutical compositions