Average Co-Inventor Count = 3.46
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. 6645257 - Process for pigmenting wood
2. 6495250 - Pigmented porous material
3. 6365720 - Method for producing thermally cleavable, soluble pigment derivatives