Average Co-Inventor Count = 2.40
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 Gesellschaft MIT Beschrankter Haftung (3 from 1,248 patents)
3 patents:
1. 5472640 - Conductive lamellar pigments
2. 5344488 - Pigments
3. 4780140 - Platelet-shaped iron oxide pigments