Average Co-Inventor Count = 6.68
ph-index = 4
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. Lt Materials Co., Ltd. (16 from 46 patents)
2. Heesung Material Ltd. (7 from 9 patents)
23 patents:
1. 11891361 - Heterocyclic compound and organic light emitting device comprising same
2. 11678576 - Heterocyclic compound and organic light emitting element comprising same
3. 11665961 - Heterocyclic compound and organic light emitting device using same
4. 11563185 - Heterocyclic compound and organic light-emitting device comprising same
5. 11552255 - Heterocyclic compound and organic light-emitting element using same
6. 11515484 - Heterocyclic compound and organic light emitting element comprising same
7. 11476425 - Heterocyclic compound and organic light emitting element comprising same
8. 11434228 - Heterocyclic compound and organic light emitting device comprising same
9. 11427562 - Heterocyclic compound, and organic light-emitting device using same
10. 11362282 - Heterocyclic compound and organic light emitting element comprising same
11. 11248008 - Heterocyclic compound and organic light emitting element using same
12. 11239427 - Heterocyclic compound and organic light emitting device using same
13. 11133477 - Heterocyclic compound and organic light emitting element using same
14. 10930857 - Heterocyclic compound and organic light emitting device using same
15. 10672993 - Nitrogen-containing polycyclic compound and organic light emitting element using same