Average Co-Inventor Count = 3.85
ph-index = 6
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. (13 from 46 patents)
2. Samsung Electronics Co., Ltd. (11 from 131,214 patents)
3. Heesung Material Ltd. (4 from 9 patents)
4. National Cancer Center (2 from 222 patents)
5. Lg Display Co., Ltd. (1 from 12,618 patents)
6. Heesung Material Co., Ltd. (1 from 1 patent)
7. Heesung Materials Co., Ltd. (0 patent)
31 patents:
1. 12479862 - Heterocyclic compound and organic light-emitting device comprising same
2. 12415814 - Heterocyclic compound and organic light emitting device comprising same
3. 12404278 - Heterocyclic compound and organic light-emitting device comprising same
4. 12404280 - Heterocyclic compound, and organic light-emitting element using same
5. 12252485 - Heterocyclic compound and organic light emitting device comprising same
6. 12185627 - Heterocyclic compound and organic light-emitting device comprising same
7. 12103934 - Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diode
8. 12018022 - Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diode
9. 11827623 - Heterocyclic compound, organic light emitting diode comprising same, composition for organic layer of organic light emitting diode, and method for manufacturing organic light emitting diode
10. 11785844 - Organic light emitting device, method for manufacturing same and composition for organic material layer
11. 11588110 - Heterocyclic compound and organic light emitting device comprising the same
12. 11515484 - Heterocyclic compound and organic light emitting element comprising same
13. 11380853 - Organic light emitting diode and organic light emitting device including the same
14. 10644244 - Heterocyclic compound and organic light emitting device using same
15. 10446765 - Heterocyclic compound and organic light emitting element using same