Average Co-Inventor Count = 4.80
ph-index = 1
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 2,937 patents)
2. Merck Patent Gesellschaft (1 from 121 patents)
2 patents:
1. 7863478 - UV filters
2. 7101537 - Tricyclic quinoxaline and quinoline derivatives as a UV filter