Seongnam, South Korea

Dong Kyu Choi

This inventor holds 34 USPTO granted patents and 21 published patent applications and 29 EPO patents, primarily in Boil-Off Gas Reliquefaction. Top assignees: Daewoo Shipbuilding & Marine Engineering Co., Ltd., Hanwha Ocean Co., Ltd., Hanwha Ocean Co., Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dong Kyu Choi. Retrieved from https://idiyas.com/inventor/dong-kyu-choi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 34 

% Patents Active = 82.4

 

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 103(Granted Patents)


Location History:

  • Geoje, KR (2010)
  • Goeje-si, KR (2013)
  • Gyeongsangnam-do, KR (2015)
  • Geoje-si, KR (2010 - 2021)
  • Busan, KR (2022 - 2023)
  • Seongnam-si, KR (2015 - 2024)

Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Boil-Off Gas
Reliquefaction
LNG Systems
Fuel Supply
Marine Structure
Vessel Operations
Hybrid Fuel Systems
Lubricating Oil
Natural Gas Injection
Liquefied Gas Treatment
Heating Value Reduction
VOC Reduction
34 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Dong Kyu Choi

Introduction

Dong Kyu Choi is a notable inventor based in Seongnam-si, South Korea, recognized for his significant contributions to the field of engineering. With an impressive portfolio of 33 patents, he has made remarkable strides in the development of advanced systems and methods. His work primarily focuses on enhancing technology through innovative solutions, particularly in the area of boil-off gas reliquefaction.

Latest Patents

One of Dong Kyu Choi's latest innovations is the "Boil-off gas reliquefaction system and method of discharging lubricant oil from boil-off gas reliquefaction system." This patent details a cutting-edge method for effectively discharging lubricant oil from a boil-off gas (BOG) reliquefaction system. The system is designed to reliquefy BOG by compressing it through a compressor, cooling the compressed gas through heat exchange with non-compressed BOG, and then reducing the pressure of the cooled fluid using a pressure reducer. Notably, the method incorporates at least one oil-lubrication type cylinder within the compressor, determining the optimal time for discharging condensed or solidified lubricant oil based on preset conditions.

Career Highlights

Dong Kyu Choi has garnered invaluable experience while working with reputable companies in the industry, including Daewoo Shipbuilding & Marine Engineering Co., Ltd. and Hanwha Ocean Co., Ltd. His tenure at these organizations has played a crucial role in shaping his expertise and innovation capabilities, allowing him to contribute effectively to advancements in his field.

Collaborations

Throughout his career, Dong Kyu Choi has collaborated with talented professionals, including Young Sik Moon and Jung Han Lee. These partnerships have been instrumental in fostering an environment of innovation and creativity, leading to the development of impactful technological solutions.

Conclusion

Dong Kyu Choi's innovative spirit and dedication to engineering have established him as a leading figure in his field. His latest patents reflect not only his technical genius but also his commitment to advancing technology for practical applications. As he continues to develop groundbreaking inventions, Dong Kyu Choi remains a pivotal player in the landscape of engineering and invention.

Profile summary based on public USPTO records.
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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