Average Co-Inventor Count = 2.40
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. Roussel Uclaf (1 from 854 patents)
2. Negma-steba International Development N.v. (1 from 1 patent)
2 patents:
1. 5952383 - Pharmaceutical composition for oral delivery
2. 5707651 - Soft capsules containing dinreburnamenine compounds