Average Co-Inventor Count = 3.43
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. Schering Aktiengesellschaft (2 from 1,384 patents)
2 patents:
1. 5286494 - Medicinal agents with sustained action
2. 4814175 - Nifedipine combination preparation