Average Co-Inventor Count = 1.64
ph-index = 1
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. Janssen Pharmaceutica Nv (3 from 2,077 patents)
3 patents:
1. 6392038 - Process for preparing single enantiomer narwedine
2. 6093815 - Galanthamine derivatives and process for their preparation
3. 6087495 - Process for the preparation of galanthamine