Average Co-Inventor Count = 3.33
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 Specialty Chemicals Corporation (5 from 1,524 patents)
5 patents:
1. 6402828 - Azo lake pigment composition
2. 6031030 - Production process
3. 6007612 - Pigment compositions
4. 5964929 - Process for the production of ink concentrates
5. 5776238 - Production of pigments