Korea Engineering Plastics Co., Ltd

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USPTO Granted Patents = 6

EPO Patents = 4

Trademarks = 1

Forward Citations = 21

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25 inventors (with patents filed for the assignee):

Seung Hwan Joo (2 out of 2 patents)

Chang Ho Lee (2 out of 67 patents)

Chang Han Kim (1 out of 40 patents)

4. Soon Joon Jung (1 out of 8 patents)

5. Bong Joo Park (1 out of 1 patent)

6. Jae Won Moon (1 out of 1 patent)

7. Kwan Yong Choi (1 out of 2 patents)

8. Won Jin Seo (1 out of 20 patents)

9. Duck Hyoung Hwang (1 out of 4 patents)

10. Gyung Seob Byun (1 out of 1 patent)

11. Hyo Je Seong (1 out of 1 patent)

12. Hyun Jun Kim (1 out of 41 patents)

13. Kyung-Seob Byun (1 out of 1 patent)

14. Young-Heup Kim (1 out of 1 patent)

15. Chong-Won Chin (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 11597831 - Polyacetal resin composition and vehicle fuel pump module made of the same with excellent acid resistance (2023-03-07),

2. 11104800 - Resin composition for vehicle parts, vehicle part manufactured using the resin composition, and method of manufacturing the vehicle part (2021-08-31),

3. 11028263 - Polyoxymethylene resin composition (2021-06-08),

4. 9676935 - Polyoxymethylene resin composition (2017-06-13),

5. 6576740 - Method of terminating oxymethylene polymerization (2003-06-10),

6. 6512047 - Polyoxymethylene resin compositions having enhanced tensile elongation, thermal stability and impact resistance properties (2003-01-28),

Company Overview

Korea Engineering Plastics Co., Ltd is a leading manufacturer of engineering plastic materials. Since its establishment in 1976, KEP has been providing high-quality and innovative solutions for various industries such as automotive, electronics, and construction. With a strong focus on research and development, KEP is committed to delivering products that meet the highest standards of quality and performance.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#581 in Seoul

#1,621 in South Korea

Seoul, South Korea

Korea Engineering Plastics Co., Ltd

Forward Citations = 21

25 inventors:

Seung Hwan Joo (2 out of 2 patents)

Chang Ho Lee (2 out of 67 patents)

Chang Han Kim (1 out of 40 patents)

4. Soon Joon Jung (1 out of 8 patents)

5. Bong Joo Park (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korea Engineering Plastics Co., Ltd. Retrieved from https://idiyas.com/company/korea-engineering-plastics-company

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]

4 patents (EPO):

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]