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Jeollabuk-do, South Korea

Dongwoo Fine-Chem Co., Ltd.

USPTO Granted Patents = 381

EPO Patents = 5

Forward Citations = 228

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488 inventors (with patents filed for the assignee):

Byung Jin Choi (64 out of 65 patents)

Dong Pil Park (47 out of 47 patents)

Yoon Ho Huh (36 out of 36 patents)

4. Jong Min Kim (34 out of 56 patents)

5. Jae Hyun Lee (34 out of 41 patents)

6. Han Sub Ryu (33 out of 33 patents)

7. Yun Seok Oh (27 out of 65 patents)

8. Won Bin Hong (25 out of 31 patents)

9. Cheol Hun Lee (25 out of 33 patents)

10. Sung Jin Noh (22 out of 22 patents)

11. Won Hee Lee (21 out of 79 patents)

12. Young Ju Kim (19 out of 40 patents)

13. Na Yeon Kim (17 out of 22 patents)

14. Do Hyoung Kwon (16 out of 16 patents)

15. Hee Jun Park (13 out of 14 patents)

Core Competencies:

Antenna Package

Image Display Device

Biosensor

Optical Stack

Touch Sensor

Etchant Composition

Smart Window

Antenna Structure

Nanoparticle Measurement

Circuit Board

Polarizing Plate

Sensor Device Package

381 patents: Sort by Forward Citations

1. 12509598 - Process solution composition for polymer treatment comprising a fluorine compound, a ketone solvent, and a polar aprotic solvent (2025-12-30),

2. 12494568 - Antenna structure (2025-12-09),

3. 12494301 - Conductive mesh structure, antenna device including the same and image display device including the same (2025-12-09),

4. 12492340 - Etchant (2025-12-09),

5. 12492291 - Window laminate and method for manufacturing the same (2025-12-09),

6. 12471222 - Circuit board for antenna, antenna package including the same and image display device including the same (2025-11-11),

7. 12469963 - Antenna device and display device including the same (2025-11-11),

8. 12460241 - Biosensor (2025-11-04),

9. D1098934 - Device for measuring particles (2025-10-21),

10. 12443071 - Optical stack and manufacturing method therefor, and smart window comprising same and vehicle or building window to which same is applied (2025-10-14),

11. 12424737 - Antenna-inserted electrode structure and image display device including the same (2025-09-23),

12. 12418118 - Antenna structure and display device including the same (2025-09-16),

13. 12418094 - Antenna package and image display device including the same (2025-09-16),

14. 12417001 - Sensor device package and image display device including the same (2025-09-16),

15. 12394885 - Antenna package and image display device including the same (2025-08-19),

Dongwoo Fine-Chem Co., Ltd. is a leading chemical manufacturing company based in South Korea. With advanced technology and a focus on quality, we specialize in the production of various fine chemicals for industries such as pharmaceuticals, cosmetics, and electronics. Our broad range of products includes pharmaceutical intermediates, specialty chemicals, and functional additives. Committed to customer satisfaction, we prioritize research and development to cater to the evolving needs of our clients. Visit our website to explore our diverse product portfolio and learn more about our reliable solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

381 Patents

#1 in Jeollabuk-do

#63 in South Korea

#2,351 in the World

Jeollabuk-do, South Korea

Dongwoo Fine-Chem Co., Ltd.

Forward Citations = 228

488 inventors:

Byung Jin Choi (64 out of 65 patents)

Dong Pil Park (47 out of 47 patents)

Yoon Ho Huh (36 out of 36 patents)

4. Jong Min Kim (34 out of 56 patents)

5. Jae Hyun Lee (34 out of 41 patents)

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