Average Co-Inventor Count = 1.50
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. Ciba-Geigy Corporation (3 from 6,858 patents)
3 patents:
1. 5559217 - Disazo dyes and a process of dyeing paper therewith
2. 5554738 - Acyl-aryl disazo having a 6-ureido-1-hydroxy-naphthalene-3-sulfonic acid
3. 5545725 - Disazo dyes consisting of two monoazo dyes contaning a 1-phenyl-5-amino