Average Co-Inventor Count = 3.69
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. Merck Patent Gmbh (4 from 2,937 patents)
4 patents:
1. 9620722 - Materials for organic electroluminescent devices
2. 9598637 - Phosphorus-containing metal complexes
3. 9040512 - Phosphorus-containing metal complexes
4. 8779176 - Metal complexes