Average Co-Inventor Count = 4.09
ph-index = 3
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 (3 from 1,524 patents)
3 patents:
1. 6706330 - Process for coating a surface
2. 6436538 - Nitrogen doped carbon-coated effect pigments and their manufacture
3. 5855660 - Colored effect pigments and their use