Average Co-Inventor Count = 2.40
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 Gesellschaft MIT Beschrankter Haftung (2 from 1,248 patents)
2 patents:
1. 5022923 - Pearl luster pigments stable to glaze and enamel
2. 4545821 - Dispersible Berlin blue pigment