Average Co-Inventor Count = 3.00
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 4,455 patents)
2 patents:
1. 4684642 - 7-Hydroxyaminocephalosporin antibiotics
2. 4684641 - 7-hydroxyaminocephalosporin antibiotics