Average Co-Inventor Count = 5.00
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. Merck Patent Gmbh (1 from 2,937 patents)
2. Merck Patent Gesellschaft MIT Beschrankter Haftung (1 from 1,248 patents)
3. Merck Patent Gesellschaft (1 from 121 patents)
3 patents:
1. 7169222 - Multilayer interference pigments
2. 6689205 - Multilayer interference pigments
3. 6019831 - Non-lustrous pigments