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For the Inventor, By the Inventor

Geoje-Si, South Korea

Hanwha Ocean Co., Ltd.


USPTO Granted Patents = 12


Trademarks = 1

Forward Citations = 0

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46 inventors (with patents filed for the assignee):

goldMedal Seung Chul Lee (3 out of 15 patents)

silverMedal Won Jae Choi (3 out of 17 patents)

bronzeMedal Sung Kak Lyu (3 out of 3 patents)

4.  Jae Hyeoung Jang (3 out of 3 patents)

5.  Dong Kyu Choi (2 out of 33 patents)

6.  Seong Woo Park (2 out of 6 patents)

7.  Seung Min Kwon (2 out of 4 patents)

8.  Joon Chae Lee (2 out of 22 patents)

9.  Seon Jin Kim (2 out of 5 patents)

10.  Byoung Hee Cheon (2 out of 2 patents)

11.  Jong Hyun Kim (2 out of 2 patents)

12.  Su Kyung An (1 out of 8 patents)

13.  Young Ho Bae (1 out of 2 patents)

14.  Kang Je Bang (1 out of 2 patents)

15.  Jin Ho Choi (1 out of 22 patents)


12 patents:

1. 12297786 - System for supplying VOC as fuel for engine and vessel using VOC as fuel (2025-05-13),
2. 12247706 - Boil-off gas reliquefaction system (2025-03-11),
3. 12203402 - Method and apparatus for purifying exhaust gas of vessel and vessel including the same (2025-01-21),
4. 12173851 - Insulation structure of membrane type storage tank (2024-12-24),
5. 12117131 - Boil-off gas reliquefaction system and method of discharging lubricant oil from boil-off gas reliquefaction system (2024-10-15),
6. 12078128 - System and method for supplying fuel for ship (2024-09-03),
7. 12044363 - Boil-off gas reliquefication system and method of discharging lubricant oil from boil-off gas reliquefication system (2024-07-23),
8. 12018791 - System for circulating air through double pipes for supplying gas and air circulation method using same (2024-06-25),
9. 12007073 - Heat insulation structure for corner parts of liquefied natural gas storage tank (2024-06-11),
10. 12006017 - Boil-off gas reliquefication apparatus and method for vessel (2024-06-11),
11. 12005999 - Ship (2024-06-11),
12. 11971140 - Insulating wall fixing device of liquefied natural gas storage tank (2024-04-30),
Hanwha Ocean Co., Ltd. is a leading marine transportation and logistics company based in South Korea. With a fleet of modern vessels and a strong network of partners, we provide efficient and reliable shipping services to customers worldwide. Our commitment to safety, quality, and sustainability sets us apart in the industry, ensuring that every cargo is delivered on time and in perfect condition. Hanwha Ocean Co., Ltd. is your trusted partner for all your marine transportation needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#2 in Geoje-Si

#894 in South Korea

#46,665 in the World

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Geoje-Si, South Korea

Hanwha Ocean Co., Ltd.

Forward Citations = 0

46 inventors:

goldMedal Seung Chul Lee (3 out of 15 patents)

silverMedal Won Jae Choi (3 out of 17 patents)

bronzeMedal Sung Kak Lyu (3 out of 3 patents)

4.  Jae Hyeoung Jang (3 out of 3 patents)

5.  Dong Kyu Choi (2 out of 33 patents)

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