Average Co-Inventor Count = 2.00
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. Ilford Imaging Switzerland Gmbh (2 from 37 patents)
2. Ilford Ag (1 from 8 patents)
3 patents:
1. 6068687 - Azo dyes and their preparation and use
2. 5824785 - Dyes for ink jet printing
3. 5684140 - Dyes for ink jet printing