Average Co-Inventor Count = 4.44
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 + Co., Inc. (2 from 4,770 patents)
2 patents:
1. 7241866 - Using amines or amino acids as mobile phase modifiers in chromatography
2. 6124107 - Assay for marker of human polymorphonuclear leukocyte elastase activity