Average Co-Inventor Count = 3.60
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. E-Ray Optoelectronics Technology Co., Ltd. (2 from 13 patents)
2. E-Ray Optoelectronics Technology (1 from 1 patent)
3 patents:
1. 9812654 - Phosphorescent materials for organic electroluminescent devices
2. 9450192 - Carbazole derivative and organic electroluminescent devices utilizing the same and fabrication method thereof
3. 8592055 - Compound for organic electroluminescent device and organic electroluminescent device having the same