Average Co-Inventor Count = 2.40
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-geigy Corporation (1 from 6,850 patents)
2. Basf Se Corporation (1 from 5,674 patents)
2 patents:
1. 9982137 - Stabilization of C.I. pigment yellow 139
2. 5482547 - Silane-coated organic pigments