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Seoul, South Korea

Korea Kumho Petrochemical Co., Ltd.

USPTO Granted Patents = 268

CIPO Patents = 2

EPO Patents = 23

Trademarks = 9

Forward Citations = 1,092

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403 inventors (with patents filed for the assignee):

Joo-Hyeon Park (17 out of 17 patents)

Seong-Ju Kim (14 out of 14 patents)

Pill-Soon Song (12 out of 12 patents)

4. Jae Yun Kim (12 out of 13 patents)

5. Dong Hwan Kim (12 out of 18 patents)

6. Young Chan Jang (11 out of 11 patents)

7. Hyun Kyung Sung (10 out of 10 patents)

8. Gwanghoon Kwag (10 out of 13 patents)

9. Youngchan Jang (10 out of 10 patents)

10. Gwang Hoon Kwag (10 out of 10 patents)

11. Jin-Eok Kim (10 out of 10 patents)

12. Sun-Yi Park (10 out of 10 patents)

13. Jae Young Ko (10 out of 10 patents)

14. Kee Yoon Roh (9 out of 9 patents)

15. Wan Sung Lee (9 out of 9 patents)

Core Competencies:

Thiomethylphenol Derivative

Rubber Composition

Biodegradable Latex Composition

Multi-Wall Carbon Nanotubes

Polymer Polyol

Epoxy Reactive Diluent

Conductive Resin Composition

End-Modified Conjugated Diene Polymer

Carbon Nano-Material Pellets

Seeded Polymerization

Syndiotactic 1,2-Polybutadiene

Curing Agent

268 patents: Sort by Forward Citations

1. 12486223 - Method of preparing a thiomethylphenol derivative (2025-12-02),

2. 12478953 - Molded catalyst, production method for same, and method for producing cyclic ketone using same (2025-11-25),

3. 12448501 - Rubber composition for tire tread and manufacturing method thereof (2025-10-21),

4. 12415778 - Method for preparing phthalonitrile-based compound (2025-09-16),

5. 12404359 - Rubber polymer, method for preparing thereof, and rubber composition comprising the same (2025-09-02),

6. 12297159 - Preparation process of 5-ethylidene-2-norbornene (2025-05-13),

7. 12116482 - Racing tire rubber composition and method for manufacturing same (2024-10-15),

8. 11987704 - Method for preparing biodegradable latex composition for dip forming (2024-05-21),

9. 11976151 - Polymer polyol and process for producing the same (2024-05-07),

10. 11970617 - Method for preparing latex composition for dip-forming (2024-04-30),

11. 11884105 - Rubber composition for tire tread and manufacturing method thereof (2024-01-30),

12. 11834395 - Method for preparing hydrogenated bisphenol A (2023-12-05),

13. 11820847 - Copolymer, method of preparing the same, and rubber composition including the same (2023-11-21),

14. 11802172 - Composition for seeded polymerization, a seed copolymer and a method for preparing the same (2023-10-31),

15. 11708441 - Latex composition for dip molding and dip-molded article including the same (2023-07-25),

Korea Kumho Petrochemical Co., Ltd. is a leading chemical company specializing in the production of various petrochemicals. With over 50 years of experience, the company manufactures and supplies a wide range of products including synthetic rubbers, resins, specialty chemicals, and latex. Korea Kumho Petrochemical Co., Ltd. is committed to delivering high-quality products and solutions to meet the diverse needs of industries such as automotive, construction, electronics, and more.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

268 Patents

#33 in Seoul

#85 in South Korea

#3,164 in the World

Seoul, South Korea

Korea Kumho Petrochemical Co., Ltd.

Forward Citations = 1,092

403 inventors:

Joo-Hyeon Park (17 out of 17 patents)

Seong-Ju Kim (14 out of 14 patents)

Pill-Soon Song (12 out of 12 patents)

4. Jae Yun Kim (12 out of 13 patents)

5. Dong Hwan Kim (12 out of 18 patents)

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