Average Co-Inventor Count = 10.00
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. The Upjohn Co. (2 from 2,170 patents)
2. Astra Lakemedel Aktiebolag (1 from 63 patents)
3 patents:
1. 5650427 - Centrally acting 6,7,8,9-tetrahydro-3H-benz(e) indole heterocyclics
2. 5288748 - Centrally acting 6,7,8,9-tetrahydro-3H-benz(e)indole heterocyclics
3. 4612316 - Tricyclic amines with central dopaminergic activity