Average Co-Inventor Count = 3.43
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. Hoechst Marion Roussel (2 from 236 patents)
2. Aventis Pharmaceuticals Inc. (207 patents)
3. Hoechst Marion Roussel Deutschland Gmbh (18 patents)
4. Marion Merrell Dow Inc. (12 patents)
2 patents:
1. 6039974 - Pharmaceutical composition for combination of
2. 5534551 - Aminoguanidine spray drying process