Average Co-Inventor Count = 5.00
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 (1 from 2,943 patents)
2. Merck Patent Gesellschaft MIT Beschränkter Haftung (1 from 37 patents)
2 patents:
1. 6773499 - Pigment mixture
2. 6632275 - Pigment mixture