Average Co-Inventor Count = 4.61
ph-index = 5
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 (2 from 2,943 patents)
2. Merck Patent Gesellschaft MIT Beschrankter Haftung (2 from 1,248 patents)
3. Merck Patent Gesellschaft (2 from 121 patents)
6 patents:
1. 7169222 - Multilayer interference pigments
2. 6689205 - Multilayer interference pigments
3. 6602340 - Transparent medium with angular-selective transmitting or reflecting properties
4. 6596070 - Interference pigments
5. 6156115 - Multilayer interference pigment with transparent central layer
6. 6132504 - Multilayer interference pigment with absorbent central layer