Average Co-Inventor Count = 3.16
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. Nippon Shinyaku Company, Ltd. (5 from 230 patents)
5 patents:
1. 6191149 - Heterocyclic derivative and medicine
2. 5945426 - Derivatives of pyrimidine for treating acute cerebrovascular disorders
3. 5652249 - Method of treating depression
4. 5342845 - Indole derivatives and drugs
5. 4956364 - Nootropic agent