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Seoul, South Korea

Lg Chemical Ltd.

USPTO Granted Patents = 83

EPO Patents = 19

Trademarks = 16

Forward Citations = 745

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359 inventors (with patents filed for the assignee):

Jong Sung Koh (7 out of 19 patents)

Jay Hyok Chang (7 out of 9 patents)

Do Hyun Nam (7 out of 9 patents)

4. You Seung Shin (7 out of 7 patents)

5. Young Kwan Kim (7 out of 13 patents)

6. Chang Yong Hong (7 out of 7 patents)

7. Hoon Moo Choi (6 out of 137 patents)

8. Jae-Seung Oh (6 out of 20 patents)

9. Jong Hyun Kim (6 out of 18 patents)

10. Yi Na Jeong (6 out of 6 patents)

11. Bun-Yeoul Lee (5 out of 13 patents)

12. Seong Gu Ro (5 out of 7 patents)

13. Tae Hwan Kwak (5 out of 5 patents)

14. Hyun Il Lee (5 out of 5 patents)

15. Se Ho Kim (5 out of 11 patents)

Core Competencies:

Birefringent Retardation Film

Metallocene Catalyst

Polyolefin Polymerization

Lithium Ion Battery

Microporous Membrane

Farnesyl Transferase Inhibitors

Cationic Surfactants

Polyethoxylated Antioxidants

Humanized Antibody

Rubber-Modified Resin

Spherical Fluorescent Substance

Decorative Floor Covering

83 patents: Sort by Forward Citations

1. 7283188 - Compensator comprising a positive and negative birefringent retardation film (2007-10-16),

2. 7169447 - Achromatic quarter wave film (2007-01-30),

3. 7041618 - Supported metallocene catalyst and olefin polymerization using the same (2006-05-09),

4. 6987173 - Process for the preparation of active somatotropin from inclusion bodies (2006-01-17),

5. 6937393 - Projection television screen (2005-08-30),

6. 6919408 - Thermoplastic transparent resin composition and method of manufacturing same (2005-07-19),

7. 6890634 - Retroreflective article (2005-05-10),

8. 6841093 - Method for manufacturing spherical blue fluorescent substance (2005-01-11),

9. 6809056 - Process for preparing polyolefin polymerization catalysts (2004-10-26),

10. 6761996 - Device for sealing lithium secondary battery electrolyte injecting hole (2004-07-13),

11. 6710098 - Methods for reforming polymer surface for improved wettability (2004-03-23),

12. 6696538 - Semiconductor interlayer dielectric material and a semiconductor device using the same (2004-02-24),

13. 6649382 - Methods of making polyhydroxyalkanoate using biosynthesis genes from alcaligenes latus (2003-11-18),

14. 6632772 - Method of coating a catalyst to a support for use in acrolein oxidation (2003-10-14),

15. 6630270 - Lithium ion battery using prismatic can with recessed surfaces (2003-10-07),

LG Chemical Ltd. is a leading global chemical company headquartered in Seoul, South Korea. The company produces a wide range of products including petrochemicals, polymers, and specialty chemicals. With a strong focus on innovation and sustainability, LG Chemical is committed to providing high-quality products that meet the needs of customers around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

83 Patents

#68 in Seoul

#207 in South Korea

#8,822 in the World

Seoul, South Korea

Lg Chemical Ltd.

Forward Citations = 745

359 inventors:

Jong Sung Koh (7 out of 19 patents)

Jay Hyok Chang (7 out of 9 patents)

Do Hyun Nam (7 out of 9 patents)

4. You Seung Shin (7 out of 7 patents)

5. Young Kwan Kim (7 out of 13 patents)

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