Average Co-Inventor Count = 3.00
ph-index = 2
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. Aventis Pharmaceuticals Inc. (3 from 207 patents)
2. Hoechst Marion Roussel (1 from 236 patents)
4 patents:
1. 6323195 - Galanthamine derivatives as acetylcholinesterase inhibitors
2. 6323196 - Galanthamine derivatives as acetylcholinesterase inhibitors
3. 6316439 - Galanthamine derivatives as acetylcholinesterase inhibitors
4. 5777108 - Galanthamine derivatives as acetylcholinesterase inhibitors