Average Co-Inventor Count = 5.00
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. Shionogi Company Limited (2 from 1,001 patents)
2 patents:
1. 4720387 - Sustained-release preparation of pinacidil
2. 4713247 - Long-acting formulation of cefaclor