Average Co-Inventor Count = 4.00
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. Ciba Specialty Chemicals Corporation (1 from 1,524 patents)
2. Basf Se Corporation (5,668 patents)
1 patent:
1. 7166158 - Quinacridone pigment compositions comprising unsymmetrically substituted components