% Expired Patents = 70.0

EPO Patents = 8

Forward Citations = 13

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7 inventors (with patents filed for the assignee):

Hyung Geun Cho (4 out of 4 patents)

Yong Kuk Cho (4 out of 4 patents)

Tae Jin Kim (3 out of 3 patents)

4. Kyoung Ik Jang (1 out of 4 patents)

5. Jeon Jin Park (1 out of 3 patents)

6. Sung Soo Kim (1 out of 74 patents)

7. Joon Myung Lee (1 out of 3 patents)

10 patents: Sort by Forward Citations

1. 11149696 - Gas tube for EGR cooler having improved anti-corrosive characteristics (2021-10-19),

2. 10865674 - Exhaust gas heat exchanger capable of controlling cooling performance (2020-12-15),

3. 10851724 - Valve assembly having improved cylindrical cam operation (2020-12-01),

4. 10458371 - EGR cooler (2019-10-29),

5. 10247145 - Valve shaft position sensing type EGR valve (2019-04-02),

6. 10036466 - Transmission oil bypass assembly (2018-07-31),

7. 9951724 - Heat exchanger having wave fin plate for reducing EGR gas pressure difference (2018-04-24),

8. 9945619 - Wave fins (2018-04-17),

9. 9938936 - EGR cooler having body shell integrated with end tank part (2018-04-10),

10. 9631539 - Apparatus for generating superheated vapor using wave fin (2017-04-25),

Company Overview

Korens Co., Ltd. is a South Korean company based in Yangsan, specializing in advanced technology solutions for various industries. The organization focuses on the development and manufacturing of innovative products, particularly in the fields of electronics and automation. With a commitment to research and development, Korens aims to enhance operational efficiency and drive technological advancements, catering to both domestic and international markets. Its expertise spans across multiple sectors, reflecting a versatile approach to modern technological challenges.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#2 in Yangsan

#1,090 in South Korea

#56,047 in the World

Yangsan, South Korea

Korens Co., Ltd.

Forward Citations = 13

7 inventors:

Hyung Geun Cho (4 out of 4 patents)

Yong Kuk Cho (4 out of 4 patents)

Tae Jin Kim (3 out of 3 patents)

4. Kyoung Ik Jang (1 out of 4 patents)

5. Jeon Jin Park (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korens Co., Ltd.. Retrieved from https://idiyas.com/company/korens-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]

8 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]