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Hwaseong-si, South Korea

Dongjin Semichem Co., Ltd.

USPTO Granted Patents = 107

EPO Patents = 15

Forward Citations = 625

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300 inventors (with patents filed for the assignee):

Jae-Hyun Kim (23 out of 163 patents)

Deog-Bae Kim (15 out of 15 patents)

Jae-Woo Lee (12 out of 12 patents)

4. Jung-Youl Lee (11 out of 11 patents)

5. Chang-Il Oh (9 out of 9 patents)

6. Chong-Soon Yoo (8 out of 8 patents)

7. Hyun-Jin Kim (7 out of 35 patents)

8. Jeong-sik Kim (6 out of 7 patents)

9. Sang-Jung Kim (6 out of 6 patents)

10. Sang-Dai Lee (6 out of 8 patents)

11. Jae Hyun Kim (5 out of 49 patents)

12. Byung-Uk Kim (5 out of 25 patents)

13. Hyo-Jung Roh (5 out of 5 patents)

14. Jong-Dai Park (5 out of 5 patents)

15. Ji-Hum Baik (5 out of 5 patents)

Core Competencies:

Organic Light Emitting Diodes

Secondary Battery Electrodes

Photopolymerizable Compositions

Functionalized Graphene Oxide

Chemical-Mechanical Polishing

Liquid Crystal Compounds

Anti-Reflective Films

Semiconductor Devices

Protective Film Compositions

Conductive Compositions

Display Devices

Resist Protection Films

107 patents: Sort by Forward Citations

1. 12441684 - Organic compound for capping layer and organic light emitting diode comprising the same (2025-10-14),

2. 12412900 - Conductor pre-dispersion slurry for secondary battery electrode, preparation method therefor, electrode manufactured by applying conductor pre-dispersion slurry, and secondary battery comprising same electrode (2025-09-09),

3. 12404355 - Photopolymerizable composition and cured film and display device using the same (2025-09-02),

4. 12225809 - Coating composition including functionalized graphene oxide, method for forming stacked structure using the same and method for manufacturing display device using the same (2025-02-11),

5. 12216403 - Positive photosensitive resin composition and display device using the same (2025-02-04),

6. 12046464 - Substrate cleaning composition, method for cleaning substrate using the same, and method for fabricating semiconductor device using the same (2024-07-23),

7. 12030859 - Polymerizable compound, polymerizable composition and optical film (2024-07-09),

8. 11787974 - Chemical-mechanical polishing particle and polishing slurry composition comprising same (2023-10-17),

9. 11650502 - Polymer and composition for forming an anti-reflective film and method of manufacturing an integrated circuit device using the anti-reflective film (2023-05-16),

10. 11518908 - Water-repellent coating composition and water-repellent coating substrate coated therewith (2022-12-06),

11. 11309345 - Protective film composition and method of manufacturing semiconductor package by using the same (2022-04-19),

12. 11286403 - Chemical mechanical polishing composition, chemical mechanical polishing slurry and method for polishing substrate (2022-03-29),

13. 11005066 - Organic electronic device using adhesive film encapsulation technology, and method of manufacturing same (2021-05-11),

14. 11001732 - Polishing slurry composition (2021-05-11),

15. 10971729 - High performance electrodes (2021-04-06),

DONGJIN SEMICHEM CO., LTD. is a leading chemical company specializing in the production and distribution of semiconductor materials. With a strong commitment to research and development, we strive to provide innovative solutions for the semiconductor industry. Our extensive product range includes photoresists, colloidal silica, and CMP slurry, among others. We continuously work towards enhancing our manufacturing processes and product quality to meet the evolving demands of our customers. Visit our website to explore our comprehensive product portfolio and learn more about our expertise and dedication to excellence.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

107 Patents

#3 in Hwaseong-si

#170 in South Korea

#7,129 in the World

Hwaseong-si, South Korea

Dongjin Semichem Co., Ltd.

Forward Citations = 625

300 inventors:

Jae-Hyun Kim (23 out of 163 patents)

Deog-Bae Kim (15 out of 15 patents)

Jae-Woo Lee (12 out of 12 patents)

4. Jung-Youl Lee (11 out of 11 patents)

5. Chang-Il Oh (9 out of 9 patents)

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