Average Co-Inventor Count = 3.63
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 (4 from 1,524 patents)
2. Novartis Ag (1 from 3,923 patents)
5 patents:
1. 7060843 - Electroluminescent devices comprising diketopyrrolopyrroles
2. 7001677 - Electroluminescent devices comprising diketopyrrolopyrroles
3. 6603020 - Fluorescent diketopyrrolopyrroles
4. 6080743 - 2,3-dioxo-1,2,3,4-tetrahydro-quinoxalinyl derivatives
5. 5968252 - Polycyclic compounds