For the Inventor, By the Inventor

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Yongin, South Korea

Lt Materials Co., Ltd.

USPTO Granted Patents = 14

EPO Patents = 5

Forward Citations = 0

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49 inventors (with patents filed for the assignee):

Dong-Jun Kim (11 out of 11 patents)

Won-Jang Jeong (6 out of 6 patents)

Gi-Back Lee (4 out of 4 patents)

4. Jun-Tae Mo (4 out of 4 patents)

5. Yong-Hui Lee (3 out of 3 patents)

6. Nam-Jin Lee (2 out of 2 patents)

7. Seong-Jong Park (2 out of 2 patents)

8. Ji-Young Kim (2 out of 2 patents)

9. Young-Seok No (2 out of 2 patents)

10. Young Seok No (1 out of 4 patents)

11. Dongjun Kim (1 out of 64 patents)

12. Jiyoon Byun (1 out of 2 patents)

13. Jaemin Moon (1 out of 7 patents)

14. Inbum Song (1 out of 10 patents)

15. Seon-Keun Yoo (1 out of 19 patents)

14 patents: Sort by Forward Citations

1. 12727378 - Heterocyclic compound and organic light emitting device comprising same (2026-09-01),

2. 12673932 - Heterocyclic compound and organic light emitting device comprising same (2026-07-07),

3. 12668583 - Heterocyclic compound and organic light-emitting device comprising same (2026-06-30),

4. 12660500 - Composition for organic light emitting device and organic light emitting device comprising same (2026-06-16),

5. 12630575 - Organometallic compound and organic electroluminescent device including the same (2026-05-19),

6. 12617778 - Heterocyclic compound, organic light-emitting element comprising same, composition for organic layer of organic light-emitting element, and method for producing organic light-emitting element (2026-05-05),

7. 12598911 - Organic light-emitting element and composition for organic material layer thereof (2026-04-07),

8. 12595257 - Heterocyclic compound, organic light emitting device including the same and composition for organic layer of organic light emitting device (2026-04-07),

9. 12583843 - Organic light-emitting device, method for manufacturing same, and composition for organic material layer of organic light-emitting device (2026-03-24),

10. 12565614 - Heterocyclic compound, organic light-emitting device comprising same, composition for organic material layer of organic light-emitting device, and method for manufacturing organic light-emitting device (2026-03-03),

11. 12565484 - Heterocyclic compound and organic light-emitting device comprising same (2026-03-03),

12. 12552985 - Heterocyclic compound and organic light-emitting device comprising same (2026-02-17),

13. 12534464 - Heterocyclic compound and organic light emitting element comprising same (2026-01-27),

14. 12528763 - Heterocyclic compound and organic light-emitting device comprising same (2026-01-20),

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

14 Patents

#26 in Yongin

#821 in South Korea

#42,118 in the World

Yongin, South Korea

Lt Materials Co., Ltd.

Forward Citations = 0

49 inventors:

Dong-Jun Kim (11 out of 11 patents)

Won-Jang Jeong (6 out of 6 patents)

Gi-Back Lee (4 out of 4 patents)

4. Jun-Tae Mo (4 out of 4 patents)

5. Yong-Hui Lee (3 out of 3 patents)

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