Average Co-Inventor Count = 4.00
ph-index = 3
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 Roussel Pharmaceuticals (3 from 539 patents)
2. Hoechst Marion Roussel (2 from 236 patents)
5 patents:
1. 5663190 - Memory enhancing and analgesic 1,2,3,3a,8,8a-Hexahydro-3a,8(and
2. 5621114 - Method for preparing 1, 2, 3, 3A, 8, 8A-hexahydro-3A, 8 (and 1, 3A,
3. 5547977 - Memory enhancing and analgesic 1,2,3,3A,8,8A-hexahydro-3A,8(and
4. 5541216 - Memory enhancing and analgsic 1,2,3,3A,8,8A-Hexahydro--3A,
5. 5541340 - Method of preparing 1,2,3,3a,8,8a-hexahydro-3a,8(and 1,3a,8)-Di(and