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Seoul, South Korea

Youlchon Chemical Co., Ltd.

USPTO Granted Patents = 16

EPO Patents = 9

Forward Citations = 28

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52 inventors (with patents filed for the assignee):

Nok Jung Song (3 out of 3 patents)

Hee Sik Han (3 out of 5 patents)

Heon Moo Kim (3 out of 3 patents)

4. Yong Kim (3 out of 57 patents)

5. Hyoung-Juhn Kim (2 out of 80 patents)

6. So Young Lee (2 out of 169 patents)

7. Sung-Arn Lee (2 out of 2 patents)

8. Kang-Soo Kim (2 out of 2 patents)

9. Ji Hee Kim (2 out of 25 patents)

10. Ji Min Lee (2 out of 46 patents)

11. Jang Seop Kim (2 out of 4 patents)

12. Jong Hyub Park (2 out of 2 patents)

13. Han Jun Kang (2 out of 4 patents)

14. Sung Ho Lee (2 out of 9 patents)

15. Han Chul Park (2 out of 2 patents)

16 patents: Sort by Forward Citations

1. 12294097 - Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the same (2025-05-06),

2. 11916241 - Primer layer composition, secondary battery pouch film using the same, and method of manufacturing the same (2024-02-27),

3. 10601075 - Method for synthesizing hydrocarbon electrolytes polymer and polymerization solvent used therein (2020-03-24),

4. 10305131 - Electrolyte membrane for fuel cell comprising polymer blend, and membrane-electrode assembly and fuel cell comprising the same (2019-05-28),

5. 9590189 - Host material for blue phosphor, and organic thin film and organic light-emitting device including same (2017-03-07),

6. 9410032 - Composition for a starch container, starch container using same, and method for manufacturing the starch container (2016-08-09),

7. 9136414 - Back sheet for a solar cell module, and solar cell module comprising same (2015-09-15),

8. 9112180 - Organic light emitting diode display and manufacturing method thereof (2015-08-18),

9. 9005583 - Chain-end functionalized poly(ethykene oxide) and process for the preparation of a nano-sized transition metal or metal salt using the same (2015-04-14),

10. 8980413 - Cell packaging material and method for manufacturing same (2015-03-17),

11. 8926940 - Device and method for generating hydrogen from an ammonia borane-based compound hydrogen reservoir, a catalyst used with the same, and a device for using emitted hydrogen (2015-01-06),

12. 8389002 - Anti-cancer medicine both for diagnosing and treating cancer (2013-03-05),

13. 7931950 - Composition for biodegradable starch bowl and biodegradable starch bowl using the same (2011-04-26),

14. 7931949 - Biodegradable starch bowl and method for preparing the same (2011-04-26),

15. 7132463 - Biodegradable composition having improved water resistance and process for producing same (2006-11-07),

YOULCHON CHEMICAL CO., LTD. is a leading chemical manufacturing company based in [Location]. With over [number] years of experience, we specialize in the production and distribution of various chemicals for a wide range of industries including [list specific industries]. Our commitment to quality and customer satisfaction has made us a trusted partner for businesses worldwide. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#228 in Seoul

#709 in South Korea

#36,673 in the World

Seoul, South Korea

Youlchon Chemical Co., Ltd.

Forward Citations = 28

52 inventors:

Nok Jung Song (3 out of 3 patents)

Hee Sik Han (3 out of 5 patents)

Heon Moo Kim (3 out of 3 patents)

4. Yong Kim (3 out of 57 patents)

5. Hyoung-Juhn Kim (2 out of 80 patents)

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