Average Co-Inventor Count = 5.46
ph-index = 1
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 (2 from 4,456 patents)
2 patents:
1. 6376490 - Quinoxalinediones
2. 5783572 - Quinoxalinedione NMDA receptor antagonists