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Seoul, South Korea

Lotte Chemical Corporation

USPTO Granted Patents = 170

% Expired Patents = 4.7

CIPO Patents = 8

EPO Patents = 86

Trademarks = 12

Forward Citations = 58

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382 inventors (with patents filed for the assignee):

Keehae Kwon (12 out of 22 patents)

Tae Gon Kang (11 out of 31 patents)

Sang Hyun Hong (11 out of 62 patents)

4. Kyo Min Lee (7 out of 7 patents)

5. Byung Hun Chae (7 out of 7 patents)

6. Gyu Hong Min (7 out of 8 patents)

7. Jong Wook Lee (7 out of 31 patents)

8. Sang Hwa Lee (6 out of 19 patents)

9. Bong Jae Lee (6 out of 9 patents)

10. Chang Min Seo (6 out of 7 patents)

11. Choul Won So (6 out of 6 patents)

12. Bun-Yeoul Lee (6 out of 6 patents)

13. Seung-Hyun Do (6 out of 6 patents)

14. Ji-Hae Park (6 out of 6 patents)

15. Young Koan Ko (6 out of 8 patents)

Core Competencies:

Thermoplastic Resin

Molded Product

Polyolefin Catalyst

Artificial Marble

Polyamide Resin

Liquid Crystalline Polymer

High Pressure Tank

Electrolyte Solution

Separation Membrane

Foaming Resin

Impact Beam

Light Diffusion Sheet

170 patents: Sort by Forward Citations

1. 12763414 - Propylene-based multi-layer film for cell pouch, having excellent adhesive performance and moldability (2026-10-13),

2. 12709057 - Continuous Fiber Reinforced Thermoplastic Resin Composite Material and Method for Producing Same (2026-08-18),

3. 12674053 - Thermoplastic resin composition and molded product manufactured therefrom (2026-07-07),

4. 12630714 - Thermoplastic resin composition and molded product using same (2026-05-19),

5. 12630686 - Polyolefin-based resin foam, and molded product produced therefrom (2026-05-19),

6. 12623995 - Method of preparing heterogeneous linear carbonate using amine-based compound catalyst (2026-05-12),

7. 12623994 - Method of preparing heterogeneous linear carbonate using catalyst having excellent solubility (2026-05-12),

8. 12565583 - Thermoplastic resin composition and molded product manufactured therefrom (2026-03-03),

9. 12559618 - Thermoplastic resin composition and molded product manufactured therefrom (2026-02-24),

10. 12559615 - Artificial marble composition and artificial marble using same (2026-02-24),

11. 12533629 - Gas separation membrane operation method (2026-01-27),

12. 12497507 - Thermoplastic resin composition and molded product manufactured from same (2025-12-16),

13. 12491478 - Polyolefin resin composition for porous film (2025-12-09),

14. 12466955 - Polyphosphonate resin composition and molded article prepared therefrom (2025-11-11),

15. 12448569 - Liquid crystalline polymer composition and molded article produced therefrom (2025-10-21),

Company Overview

Lotte Chemical Corporation, headquartered in Seoul, South Korea, specializes in the development and manufacturing of advanced thermoplastic resin compositions. The company focuses on a diverse range of core technologies, including polyolefin catalysts, polyamide resins, and liquid crystalline polymers. Lotte Chemical is also known for its innovations in molded products and artificial marble, contributing significantly to various industries such as automotive and construction. Its commitment to research and development positions it as a leader in the chemical sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

170 Patents

#52 in Seoul

#130 in South Korea

#4,872 in the World

Seoul, South Korea

Lotte Chemical Corporation

Forward Citations = 58

382 inventors:

Keehae Kwon (12 out of 22 patents)

Tae Gon Kang (11 out of 31 patents)

Sang Hyun Hong (11 out of 62 patents)

4. Kyo Min Lee (7 out of 7 patents)

5. Byung Hun Chae (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lotte Chemical Corporation. Retrieved from https://idiyas.com/company/lotte-chemical

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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