Average Co-Inventor Count = 2.00
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 (3 from 4,455 patents)
3 patents:
1. 4009160 - Aminomethylarylmethylpenicillin derivatives
2. 3997527 - Aminomethylarylmethylpenicillin derivatives
3. 3966710 - Aminomethylarylmethylpenicillin derivatives