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Geoje-si, South Korea

Daewoo Shipbuilding & Marine Engineering Co., Ltd.

USPTO Granted Patents = 86

EPO Patents = 50

Trademarks = 3

Forward Citations = 139

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172 inventors (with patents filed for the assignee):

Dong Kyu Choi (31 out of 33 patents)

Young Sik Moon (21 out of 22 patents)

Joon Chae Lee (20 out of 22 patents)

4. Jung Han Lee (19 out of 21 patents)

5. Hyun Jun Shin (10 out of 11 patents)

6. Joong Kyoo Kang (8 out of 8 patents)

7. Su Kyung An (7 out of 8 patents)

8. Jung Ho Choi (7 out of 7 patents)

9. Sung Kon Han (7 out of 7 patents)

10. D Scott Brittin (6 out of 6 patents)

11. Nak Hyun Kim (5 out of 5 patents)

12. Byung Tak Nam (5 out of 6 patents)

13. Chang Woo Lee (4 out of 10 patents)

14. Hae Won Jung (4 out of 6 patents)

15. Je Heon Jung (4 out of 4 patents)

Core Competencies:

Greenhouse Gas Emission

Boil-Off Gas Reliquefaction

Eco-Friendly Ship

Cryogenic Insulation

LNG Tank Operations

Hybrid Power Supply

Continuous Fermentation

Fuel Supply Systems

Marine Algae Processing

Damping Apparatus

Ventilation Systems

Liquefied Gas Treatment

86 patents: Sort by Forward Citations

1. 12472460 - Apparatus for reducing greenhouse gas emission in vessel and vessel including the same (2025-11-18),

2. 12123336 - Apparatus for reducing greenhouse gas emission in vessel and vessel including the same (2024-10-22),

3. 12031467 - Apparatus for reducing greenhouse gas emission in vessel cooperated with exhaust gas recirculation and intelligent control by exhaust recycling and vessel including the same (2024-07-09),

4. 11927156 - Apparatus for reducing greenhouse gas emission in vessel cooperated with exhaust gas recirculation and vessel including the same (2024-03-12),

5. 11852062 - Apparatus for reducing greenhouse gas emission in vessel and vessel including the same (2023-12-26),

6. 11760462 - Boil-off gas re-liquefying device and method for ship (2023-09-19),

7. 11731750 - Fuel supply system for eco-friendly ship (2023-08-22),

8. 11724789 - Boil-off gas re-liquefying method for LNG ship (2023-08-15),

9. 11724781 - Boil-off gas reliquefaction system and method for discharging lubricanting oil in boil-off gas reliquefaction system (2023-08-15),

10. 11597477 - Membrane type insulation system for cryogenic liquefied gas carrier cargo tank and liquefied gas fuel container (2023-03-07),

11. 11560981 - Membrane finishing sheet and membrane insulation structure comprising the same (2023-01-24),

12. 11480297 - Membrane bonding structure and liquefied gas storage tank comprising the same (2022-10-25),

13. 11473730 - Boil-off gas reliquefication system, method for discharging lubricating oil in boil-off gas reliquefication system, and engine fuel supply method (2022-10-18),

14. 11472514 - Membrane type insulation system for cryogenic LNG carrier cargo tank and liquefied gas fuel container (2022-10-18),

15. 11428369 - Liquefied gas storage tank having insulation parts and method for arranging insulation parts (2022-08-30),

Daewoo Shipbuilding & Marine Engineering Co., Ltd. is a shipbuilding and marine engineering company based in South Korea. The company specializes in the construction of various types of vessels, including oil tankers, cargo ships, submarines, and offshore structures. Daewoo Shipbuilding & Marine Engineering is known for its advanced shipbuilding technologies and has established a strong reputation in the global shipbuilding industry. Their website provides detailed information about their products, services, and corporate activities.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

86 Patents

#1 in Geoje-si

#204 in South Korea

#8,577 in the World

Geoje-si, South Korea

Daewoo Shipbuilding & Marine Engineering Co., Ltd.

Forward Citations = 139

172 inventors:

Dong Kyu Choi (31 out of 33 patents)

Young Sik Moon (21 out of 22 patents)

Joon Chae Lee (20 out of 22 patents)

4. Jung Han Lee (19 out of 21 patents)

5. Hyun Jun Shin (10 out of 11 patents)

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