Average Co-Inventor Count = 2.67
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 Kayaku Kabushiki Kaisha (2 from 776 patents)
2 patents:
1. 4997923 - Dihydrate crystals of etoposide-2-dimethylamino compound hydrochloride
2. 4757138 - Process for producing etoposide