Average Co-Inventor Count = 4.00
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. Banyu Pharmaceutical Co. Ltd (2 from 237 patents)
2 patents:
1. 5049665 - Cephalosporin derivatives
2. 4918070 - Cephalosporin derivatives and antibacterial agents