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Seoul, South Korea

Lg Chem, Ltd

USPTO Granted Patents = 8,316

CIPO Patents = 397

EPO Patents = 5,170

Trademarks = 51

Forward Citations = 16,044

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7,417 inventors (with patents filed for the assignee):

Dong Hoon Lee (150 out of 211 patents)

Je-Young Kim (117 out of 140 patents)

Ki Soo Lee (112 out of 113 patents)

4. Dong-Myung Kim (106 out of 110 patents)

5. Jin Kyu Lee (104 out of 124 patents)

6. Sung Soo Yoon (104 out of 124 patents)

7. Yeong Rae Chang (98 out of 100 patents)

8. Moon Soo Park (97 out of 98 patents)

9. Se Woo Yang (96 out of 100 patents)

10. Yo-Han Kwon (95 out of 97 patents)

11. Hyeon Sik Choi (91 out of 107 patents)

12. No Ma Kim (85 out of 85 patents)

13. Sung Kyu Lee (85 out of 86 patents)

14. Je Young Kim (82 out of 113 patents)

15. Min Woo Jung (80 out of 80 patents)

Core Competencies:

Diester-Based Compound

Organic Light Emitting Diode

Hydrogenation Catalyst

Thermoplastic Resin Composition

Aerogel Composite

Polymerization Initiator

Biosensor

Lithium Transition Metal Oxide

Super Absorbent Polymer

Polyolefin Separator

Epoxy Resin Composition

Hologram Recording Medium

8,316 patents: Sort by Forward Citations

1. 12495718 - Compound and organic light emitting device comprising same (2025-12-09),

2. 12495717 - Amine compound and organic light emitting diode comprising same (2025-12-09),

3. 12492306 - Thermoplastic resin composition comprising a recycled copolymer and a recycled resin, method of preparing the resin composition, and molded article including the resin composition (2025-12-09),

4. 12492305 - Thermoplastic resin and method of preparing the same (2025-12-09),

5. 12492278 - Method of preparing graft polymer (2025-12-09),

6. 12492277 - Method of preparing graft copolymer and method of preparing thermoplastic resin composition including the same (2025-12-09),

7. 12492276 - Method of preparing graft copolymer and graft copolymer prepared by the same (2025-12-09),

8. 12492191 - Organic light emitting device (2025-12-09),

9. 12492133 - Method for purifying of waste water (2025-12-09),

10. 12491662 - Minute cutting apparatus for super absorbent polymer hydrogel using pump (2025-12-09),

11. 12491495 - Method for preparing super absorbent polymer (2025-12-09),

12. 12490653 - Organic light emitting diode (2025-12-02),

13. 12486215 - Method of manufacturing diester-based compound (2025-12-02),

14. 12485408 - Catalyst for hydrogenation reaction and method for manufacturing the same (2025-12-02),

15. 12485407 - Catalyst for hydrogenation reaction and method for producing same (2025-12-02),

LG Chem, Ltd. is a subsidiary of LG Corporation and is a South Korean chemical company. It is one of the largest producers of petrochemical products in the world. LG Chem produces a wide range of products including petrochemicals, plastic materials, energy solutions, and advanced materials. They are committed to creating sustainable solutions through innovation and are focused on developing environmentally friendly products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

8,316 Patents

#4 in Seoul

#8 in South Korea

#93 in the World

Seoul, South Korea

Lg Chem, Ltd

Forward Citations = 16,044

7,417 inventors:

Dong Hoon Lee (150 out of 211 patents)

Je-Young Kim (117 out of 140 patents)

Ki Soo Lee (112 out of 113 patents)

4. Dong-Myung Kim (106 out of 110 patents)

5. Jin Kyu Lee (104 out of 124 patents)

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