Average Co-Inventor Count = 5.00
ph-index = 3
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. Shionogi Company Limited (3 from 1,001 patents)
3 patents:
1. 5272268 - Dipeptide derivatives
2. 5223615 - Dipeptide derivatives
3. 5194608 - Dipeptide derivatives