Average Co-Inventor Count = 7.62
ph-index = 3
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. Heesung Material Ltd. (5 from 9 patents)
2. Lt Materials Co., Ltd. (2 from 46 patents)
7 patents:
1. 10672993 - Nitrogen-containing polycyclic compound and organic light emitting element using same
2. 10644244 - Heterocyclic compound and organic light emitting device using same
3. 10454043 - Heterocyclic compound and organic light-emitting element using same
4. 10446765 - Heterocyclic compound and organic light emitting element using same
5. 10344030 - Heterocyclic compound and organic light emitting device using same
6. 10177319 - Nitrogen-containing polycyclic compound and organic light emitting element using same
7. 9728731 - Heterocyclic compound and organic light emitting device using same