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Yongin, South Korea

Heesung Material Ltd.

USPTO Granted Patents = 9

EPO Patents = 4

Forward Citations = 25

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31 inventors (with patents filed for the assignee):

Joo-Dong Lee (8 out of 21 patents)

Jin-Seok Choi (7 out of 22 patents)

Dae-Hyuk Choi (7 out of 23 patents)

4. Kee-Yong Kim (5 out of 7 patents)

5. Sung-Jin Eum (5 out of 7 patents)

6. Dong-Jun Kim (4 out of 31 patents)

7. Young-Seok No (3 out of 9 patents)

8. Mi-Jin Kim (2 out of 5 patents)

9. Jung-Hyun Lee (2 out of 3 patents)

10. Geon-Yu Park (2 out of 7 patents)

11. Jae-Yeol Ma (2 out of 2 patents)

12. Yun-Ji Lee (1 out of 10 patents)

13. Han-Kook Oh (1 out of 7 patents)

14. Hae Won Jeong (1 out of 2 patents)

15. Hyo-Kyun Ham (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 10454043 - Heterocyclic compound and organic light-emitting element using same (2019-10-22),

2. 10446765 - Heterocyclic compound and organic light emitting element using same (2019-10-15),

3. 10381577 - Hetero-cyclic compound and organic light emitting device using the same (2019-08-13),

4. 10344030 - Heterocyclic compound and organic light emitting device using same (2019-07-09),

5. 10177319 - Nitrogen-containing polycyclic compound and organic light emitting element using same (2019-01-08),

6. 10026908 - Hetero-cyclic compound and organic light emitting device using the same (2018-07-17),

7. 9899600 - Multicyclic aromatic compound and organic light emitting device using the same (2018-02-20),

8. 9728731 - Heterocyclic compound and organic light emitting device using same (2017-08-08),

9. 9333594 - Lead-free solder composition for glass (2016-05-10),

Heesung Material Ltd. is a leading manufacturer of high-performance materials, specializing in the development and production of advanced materials for various industries. With a strong focus on innovation and quality, we provide cutting-edge solutions to meet the evolving needs of our customers. Our commitment to excellence and customer satisfaction sets us apart in the industry.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#3 in Yongin

#1,128 in South Korea

Yongin, South Korea

Heesung Material Ltd.

Forward Citations = 25

31 inventors:

Joo-Dong Lee (8 out of 21 patents)

Jin-Seok Choi (7 out of 22 patents)

Dae-Hyuk Choi (7 out of 23 patents)

4. Kee-Yong Kim (5 out of 7 patents)

5. Sung-Jin Eum (5 out of 7 patents)

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