Average Co-Inventor Count = 3.40
ph-index = 18
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. Universal Display Corporation (354 from 1,236 patents)
2. Beijing Summer Sprout Technology Co. Ltd. (26 from 50 patents)
3. Seiko Epson Corporation (2 from 33,290 patents)
4. Other (1 from 832,448 patents)
5. Nippon Steel & Sumikin Chemical Co., Ltd. (1 from 88 patents)
6. University Display Corporation (1 from 2 patents)
7. Universal Display Corpration (1 from 1 patent)
383 patents:
1. 12453280 - Organic electroluminescent materials and devices
2. 12439813 - Organic electroluminescent materials and devices
3. 12421263 - Organic electroluminescent materials and devices
4. 12408242 - Heteroleptic iridium complexes as dopants
5. 12398319 - Tetradentate organic electroluminescent materials and devices
6. 12319857 - Organic electroluminescent materials and devices
7. 12302750 - Organic electroluminescent materials and devices
8. 12295262 - Organic electroluminescent materials and devices
9. 12295199 - Phosphorescence-sensitized delayed fluorescence light emitting system
10. 12289984 - Metal complex containing azabenzothiazole
11. 12284911 - Organic electroluminescent materials and devices
12. 12284913 - Organic electroluminescent materials and devices
13. 12274157 - Organic electroluminescent materials and devices
14. 12274165 - Organic electroluminescent materials and devices
15. 12262630 - Organic electroluminescent materials and devices