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For the Inventor, By the Inventor

Seongnam, South Korea

Korea District Heating Corporation


USPTO Granted Patents = 9

% Expired Patents = 11.1


Forward Citations = 0

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33 inventors (with patents filed for the assignee):

goldMedal Won Seok Chang (3 out of 3 patents)

silverMedal Ji Hye Yu (3 out of 3 patents)

bronzeMedal Tae Seon Eom (3 out of 3 patents)

4.  Ja Kyun Koo (3 out of 3 patents)

5.  Dong Hwan Chang (3 out of 3 patents)

6.  Min Sung Ko (3 out of 3 patents)

7.  Yong Ha Lee (3 out of 3 patents)

8.  Young Jae Lee (2 out of 17 patents)

9.  Kyung Min Kim (2 out of 2 patents)

10.  Dae-Young Lee (1 out of 77 patents)

11.  Nam-Woong Kim (1 out of 6 patents)

12.  Eun Sung Na (1 out of 2 patents)

13.  Chang-jun Lee (1 out of 3 patents)

14.  Sang-Jin Lee (1 out of 1 patent)

15.  Sun-Jin Kim (1 out of 1 patent)


9 patents:

1. 12357942 - Hybrid system of carbon dioxide compact membrane separation and carbon recycling for urban power plant for effluent carbon dioxide concentration control (2025-07-15),
2. 12266933 - Power trading system of virtual power plant and power trading method of virtual power plant using the same (2025-04-01),
3. 12237676 - Virtual power plant system using renewable energy CHP and virtual power plant operating method using the same (2025-02-25),
4. 12149074 - Virtual power plant system using heat conversion device and virtual power plant operating method using the same (2024-11-19),
5. 12023626 - System for capturing and recycling carbon dioxide in exhaust gas (2024-07-02),
6. 10496502 - One-direction data transmission/reception apparatus that re-transmits data via plurality of communication lines, and data transmission method using same (2019-12-03),
7. 10005997 - Multi-functional port for microalgae cultivation and harvesting (2018-06-26),
8. 9475001 - Extracting device supplying fixed quantity of exhaust gas for industrial facility (2016-10-25),
9. 8056354 - Air conditioning system using dehumidifying cooling device (2011-11-15),
Company Overview
Korea District Heating Corporation (KDHC) is a leading provider of district heating services in South Korea. With a focus on energy efficiency and sustainability, KDHC operates a network of heating facilities that supply reliable and eco-friendly heat to residential, commercial, and industrial customers. The company is committed to reducing carbon emissions and promoting environmental protection through its innovative heating solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#65 in Seongnam

#1,185 in South Korea

Seongnam, KR
Seongnam, South Korea

Korea District Heating Corporation

Forward Citations = 0

33 inventors:

goldMedal Won Seok Chang (3 out of 3 patents)

silverMedal Ji Hye Yu (3 out of 3 patents)

bronzeMedal Tae Seon Eom (3 out of 3 patents)

4.  Ja Kyun Koo (3 out of 3 patents)

5.  Dong Hwan Chang (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Korea District Heating Corporation. Retrieved from https://idiyas.com/company/korea-district-heating

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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