Average Co-Inventor Count = 3.43
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 (2 from 1,524 patents)
2 patents:
1. 6555664 - Phthalimidyl azo pigments, method for producing same and utilisation thereof
2. 6551363 - Azo dye mixtures