Average Co-Inventor Count = 6.72
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. Merck Patent Gmbh (4 from 2,943 patents)
4 patents:
1. 11479681 - Effect pigments
2. 11459469 - Effect pigments
3. 11453789 - Effect pigments
4. 8906264 - Silicate phosphors