Average Co-Inventor Count = 7.00
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. Pfizer Corporation (1 from 4,456 patents)
2. Pharmacia & Upjohn Company (1 from 523 patents)
2 patents:
1. 6875762 - Tetracyclic azepinoindole compounds
2. 6407092 - Tetracyclic azepinoindole compounds