Average Co-Inventor Count = 7.00
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. Aska Pharmaceutical Co., Ltd. (3 from 35 patents)
3 patents:
1. 9040536 - Substituted pyrrolo[1,2-a]quinoxalines as PDE9 inhibitors
2. 8829000 - Substituted imidazo[1,5-A]quinoxalines as phosphodiesterase 9 inhibitors
3. 8299080 - Substituted imidazo[1,5-A] quinoxalines as a PDE9 inhibitor