Average Co-Inventor Count = 5.00
ph-index = 1
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. Chisso Corporation (2 from 1,109 patents)
2 patents:
1. 6936189 - Cyclic tertiary amine compound and organic electroluminescent device containing the compound
2. 6761981 - Cyclic tertiary amine compound and organic electroluminescent device containing the compound