Average Co-Inventor Count = 3.43
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. Hoffmann-La Roche Inc. (1 from 4,948 patents)
2. Basilea Pharmaceutica Ag (1 from 72 patents)
2 patents:
1. 6583133 - Propenyl cephalosporin derivatives and process for the manufacture thereof
2. 6294668 - Vinylpyrrolidinone cephalosporin derivatives