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Gyeonggi-do, South Korea

Woori Fine Chem Co., Ltd.

USPTO Granted Patents = 13

EPO Patents = 1

Forward Citations = 9

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13 inventors (with patents filed for the assignee):

Jaeyoung Pai (11 out of 12 patents)

Jeongmoo Kim (11 out of 15 patents)

Hyuk Hee Han (11 out of 25 patents)

4. Jung Hwan Myung (11 out of 26 patents)

5. Myung-Ok Kyun (6 out of 17 patents)

6. Jooyoung Jung (6 out of 6 patents)

7. Junghwan Shin (1 out of 3 patents)

8. Du Hee Han (1 out of 1 patent)

9. Sung Gi Lee (1 out of 2 patents)

10. Tae Gi Kim (1 out of 1 patent)

11. Gyeong Ha Choi (1 out of 1 patent)

12. Oh Joon Kwon (1 out of 1 patent)

13. Dal Seong Kim (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 12503427 - Diamine composition, and method of preparing diisocyanate composition (2025-12-23),

2. 12146023 - Method for manufacturing diisocyanate and optical lens (2024-11-19),

3. 12049437 - Diisocyanate composition, preparation method thereof and optical material using same (2024-07-30),

4. 11987541 - Method of preparing diisocyanate composition (2024-05-21),

5. 11964931 - Method of preparing diisocyanate composition and optical lens (2024-04-23),

6. 11932591 - Method of preparing diisocyanate composition and optical lens (2024-03-19),

7. 11760719 - Diamine composition, and method of preparing diisocyanate composition (2023-09-19),

8. 11731936 - Diisocyanate composition, preparation method thereof and optical material using same (2023-08-22),

9. 11702384 - Diisocyanate composition for optical lens and preparation method thereof (2023-07-18),

10. 11634383 - Method of preparing diisocyanate composition (2023-04-25),

11. 11518737 - Method of preparing diisocyanate composition and optical lens (2022-12-06),

12. 11339121 - Method of preparing diisocyanate composition (2022-05-24),

13. 8216987 - Cleaning agent for high viscosity metalworking fluid (2012-07-10),

Woori Fine Chem Co., Ltd. is a leading chemical company specializing in the manufacturing and distribution of high-quality fine chemicals for various industries. With a strong focus on innovation and sustainability, we provide customized solutions to meet the specific needs of our customers. Our commitment to excellence and customer satisfaction has made us a trusted partner in the global chemical market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

13 Patents

#65 in Gyeonggi-do

#835 in South Korea

#43,679 in the World

Gyeonggi-do, South Korea

Woori Fine Chem Co., Ltd.

Forward Citations = 9

13 inventors:

Jaeyoung Pai (11 out of 12 patents)

Jeongmoo Kim (11 out of 15 patents)

Hyuk Hee Han (11 out of 25 patents)

4. Jung Hwan Myung (11 out of 26 patents)

5. Myung-Ok Kyun (6 out of 17 patents)

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