Average Co-Inventor Count = 8.00
ph-index = 3
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 (5 from 1,384 patents)
2. Schering Aktiengellschaft (1 from 4 patents)
6 patents:
1. 6642218 - Vitamin D derivatives with carbo- or heterocyclic substituents at C-25, a process for their production, intermediate products and their use for producing medicaments
2. 6613920 - Vitamin D derivatives with carbo- or heterocyclic substituents at C-25, process for their production, intermediate products and use for the production of pharmaceutical agents
3. 6600058 - Vitamin D derivatives with carbo- or heterocyclic substituents at C-25, a process for their production, intermediate products and their use for producing medicaments
4. 6531459 - Vitamin D derivatives with phosphorus atoms in the side chains
5. 6376480 - Vitamin D derivatives with substituents at C-25, process for their production, intermediate products and use for the production of pharmaceutical agents
6. 6372731 - Vitamin D derivatives with C-25 substituents, process for their preparation, intermediate products and their use in preparing medicaments