Average Co-Inventor Count = 4.61
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)
2. Merck Patent Gmbh (1 from 2,946 patents)
4 patents:
1. 7708823 - Semi-transparent interference pigments containing tin
2. 6419736 - Sulfide and oxysulphide pigments
3. 4987133 - Salicylic acid derivatives
4. 4950648 - Analgesic