Average Co-Inventor Count = 6.46
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. Sumitomo Electric Industries, Limited (2 from 10,273 patents)
2 patents:
1. 5821003 - Organic electroluminescent device
2. 5792567 - Triazole derivatives and organic electroluminescent devices produced