Average Co-Inventor Count = 3.27
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. Standard Chem. & Pharm. Co., Ltd. (3 from 5 patents)
3 patents:
1. 8557784 - Glycyrrhizinates of morphinan derivatives
2. 8202995 - Pharmaceutically acceptable salts of aporphine derivatives and carboxyl group-containing agents and methods for preparing the same
3. 8093260 - Aporphine derivatives and pharmaceutical use thereof