For the Inventor, By the Inventor

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Chungcheongnam-do, South Korea

Dupont Specialty Materials Korea Ltd.

USPTO Granted Patents = 27

EPO Patents = 5

Forward Citations = 0

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68 inventors (with patents filed for the assignee):

Sang-Hee Cho (10 out of 40 patents)

Su-Hyun Lee (9 out of 27 patents)

Kyoung-Jin Park (9 out of 25 patents)

4. Jin-Ri Hong (8 out of 22 patents)

5. Chi-Sik Kim (7 out of 21 patents)

6. So-Young Jung (7 out of 7 patents)

7. Doo-Hyeon Moon (6 out of 43 patents)

8. Ji-Song Jun (6 out of 6 patents)

9. Dong-Hyung Lee (4 out of 10 patents)

10. Mi-Ja Lee (4 out of 12 patents)

11. Shunya Takeuchi (3 out of 7 patents)

12. Kyung-Hoon Choi (3 out of 6 patents)

13. Du-Yong Park (3 out of 6 patents)

14. Hyo-Soon Park (3 out of 7 patents)

15. Hyo-Jung Lee (3 out of 6 patents)

27 patents: Sort by Forward Citations

1. 12509472 - Plurality of host materials and organic electroluminescent device comprising the same (2025-12-30),

2. 12507588 - Organic electroluminescent compound and organic electroluminescent device comprising the same (2025-12-23),

3. 12507587 - Organic electroluminescent device (2025-12-23),

4. 12484436 - Organic metal compound, organic light emitting diode and organic light emitting device having the compound (2025-11-25),

5. 12479860 - Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same (2025-11-25),

6. 12457899 - Multi-component host material and an organic electroluminescence device comprising the same (2025-10-28),

7. 12453282 - Plurality of host materials and organic electroluminescent device comprising the same (2025-10-21),

8. 12446459 - Organic electroluminescent device (2025-10-14),

9. 12439819 - Organic electroluminescent compound and organic electroluminescent device comprising the same (2025-10-07),

10. 12433161 - Plurality of host materials and organic electroluminescent device comprising the same (2025-09-30),

11. 12402531 - Multi-component host material and organic electroluminescent device comprising the same (2025-08-26),

12. 12393118 - Composition for photoresist underlayer (2025-08-19),

13. 12391875 - Organic electroluminescent compounds and organic electroluminescent device comprising the same (2025-08-19),

14. 12391700 - Organic light emitting diode and organic light emitting device including the same (2025-08-19),

15. 12391651 - Organic electroluminescent compound and organic electroluminescent device comprising the same (2025-08-19),

Dupont Specialty Materials Korea Ltd. is a leading manufacturer of advanced materials and solutions aimed at various industries, including electronics, automotive, and construction. As part of the global DuPont organization, the company leverages cutting-edge technology and innovation to deliver high-performance products, including coatings, adhesives, and films. Their commitment to sustainability and customer-centric solutions drives growth and operational excellence in the Korean market. With a focus on enhancing product performance and functionality, Dupont Specialty Materials Korea plays a crucial role in meeting the diverse needs of its customers through continuous research and development.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

27 Patents

#7 in Chungcheongnam-do

#484 in South Korea

#23,290 in the World

Chungcheongnam-do, South Korea

Dupont Specialty Materials Korea Ltd.

Forward Citations = 0

68 inventors:

Sang-Hee Cho (10 out of 40 patents)

Su-Hyun Lee (9 out of 27 patents)

Kyoung-Jin Park (9 out of 25 patents)

4. Jin-Ri Hong (8 out of 22 patents)

5. Chi-Sik Kim (7 out of 21 patents)

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