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Seoul, South Korea

Daewoo Engineering & Construction Co., Ltd

USPTO Granted Patents = 14

% Expired Patents = 21.4

EPO Patents = 1

Forward Citations = 12

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58 inventors (with patents filed for the assignee):

Ta Kwan Woo (8 out of 11 patents)

Myung Ho Song (6 out of 6 patents)

Yong Seok Yoon (5 out of 5 patents)

4. Sang Min Kim (5 out of 5 patents)

5. Seung Hee An (4 out of 6 patents)

6. Sang Yup Jang (4 out of 4 patents)

7. Mun Keun Ha (4 out of 5 patents)

8. Seok Ku Jeon (4 out of 5 patents)

9. Hoon Ahn (4 out of 5 patents)

10. Hye Jung Hong (3 out of 3 patents)

11. Jung Huyk Ahn (3 out of 3 patents)

12. Ju Dong Lee (3 out of 10 patents)

13. Jae Won Lee (3 out of 22 patents)

14. Jin Seop Yang (3 out of 3 patents)

15. In Kee Jung (2 out of 2 patents)

14 patents: Sort by Forward Citations

1. 11313099 - Flexible joint connecting device of precast body segment, precast body segment joining-type underwater tunnel construction method using same, and underwater tunnel constructed thereby (2022-04-26),

2. 10351790 - Apparatus for molding gas hydrate pellets (2019-07-16),

3. 10179884 - Device and method for manufacturing natural gas hydrate (2019-01-15),

4. 10023821 - Method and apparatus for improving heat transfer and reaction efficiency of gas hydrate reactor using scraper (2018-07-17),

5. 9839887 - Apparatus for storing gas hydrate pellets (2017-12-12),

6. 9744508 - Apparatus for revaporizing gas hydrate pellets (2017-08-29),

7. 9308507 - Device for revaporizing natural gas (2016-04-12),

8. 9302239 - Gas-liquid circulating type of hydrate reactor (2016-04-05),

9. 9255234 - Device and method for manufacturing natural gas hydrate (2016-02-09),

10. 8486340 - Apparatus and method for continuously producing and pelletizing gas hydrates using dual cylinder (2013-07-16),

11. 8180588 - Compensation method for structural deformation occurring during construction of super tall building (2012-05-15),

12. 7604733 - Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria (2009-10-20),

13. 7546656 - Method of installing prefabricated, segment concrete filled tube members (2009-06-16),

14. 7520991 - Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria (2009-04-21),

Company Overview

Daewoo Engineering & Construction Co., Ltd. is a prominent South Korean firm specializing in construction and engineering services. The company is engaged in a wide range of projects, including infrastructure development, residential and commercial construction, and environmental engineering. With a strong emphasis on innovation, Daewoo integrates advanced technologies and sustainable practices into its operations, contributing to urban development and infrastructure enhancement in various regions. Its expertise extends across multiple sectors, positioning it as a key player in the global construction industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#296 in Seoul

#826 in South Korea

#42,290 in the World

Seoul, South Korea

Daewoo Engineering & Construction Co., Ltd

Forward Citations = 12

58 inventors:

Ta Kwan Woo (8 out of 11 patents)

Myung Ho Song (6 out of 6 patents)

Yong Seok Yoon (5 out of 5 patents)

4. Sang Min Kim (5 out of 5 patents)

5. Seung Hee An (4 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daewoo Engineering & Construction Co., Ltd. Retrieved from https://idiyas.com/company/daewoo-engineering-and-construction-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]

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