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Top 20 Fast-growings companies in Liquefied natural gas
by Most Patent Filing In 3 Years in the South Korea in 2020

The Liquefied natural gas top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 3 Years Liquefied natural gas Fast-growings in the South Korea. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Liquefied natural gas (LNG) is natural gas (predominantly methane, CH₄, with some mixture of ethane, C₂H₆) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume of natural gas in the gaseous state (at standard conditions for temperature and pressure). It is odorless, colorless, non-toxic and non-corrosive. Hazards include flammability after vaporization into a gaseous state, freezing and asphyxia. The liquefaction process involves removal of certain components, such as dust, acid gases, helium, water, and heavy hydrocarbons, which could cause difficulty downstream. The natural gas is then condensed into a liquid at close to atmospheric pressure by cooling it to approximately −162 °C (−260 °F); maximum transport pressure is set at around 25 kPa (4 psi).
#
Company Name
Region
Tech Topics
Total
1
DAEWOO SHIPBUILDING & MARINE ENGINEERING Co., Ltd.
Shipbuilding,Shipyard,Computer hardware,
...[+2]
Patent: 140
2
Samsung Heavy Industries Co., Ltd.
Shipbuilding,Shipyard,Marine engineering,
...[+2]
Patent: 64
3
Doosan Enerbility Co., Ltd.
Water treatment,Turbine,Construction engineering,
...[+2]
Patent: 9
4
Donghwa Entec Co., Ltd.
Gas generator,Electronics
Patent: 6
5
Korea Marine Equipment Research Institute
Biotechnology,Biology,Oceanography,
...[+2]
Patent: 6
6
Valmax Tech Corp.
Computer hardware,Electronics
Patent: 6
7
Korea Institute of Industrial Technology
Industrial technology
Patent: 5
8
Korea Gas Corp.
Natural gas,Petroleum industry,Industrial engineering,
...[+2]
Patent: 4
9
DONGSUNG FINETEC Co., Ltd.
Polyurethane,Coating,Industrial engineering,
...[+2]
Patent: 4
10
Pusan National University Industry-University Cooperation
Asset management,Impact investing,Social Welfare
Patent: 3
11
HYUNDAI MIPO DOCKYARD Co., Ltd.
Shipbuilding,Transport engineering,Liquefied petroleum gas,
...[+2]
Patent: 3
12
GS Engineering & Construction Corp.
Civil engineering,Construction engineering,Architecture,
...[+2]
Patent: 3
13
Yonsei Industry-Academic Cooperation Foundation
Patent: 2
14
SJM Co., Ltd.
Slip joint,Automotive engineering,Expansion joint,
...[+2]
Patent: 2
15
POSCO Engineering & Construction Co., Ltd.
Construction engineering
Patent: 2
16
Industry-University Cooperation Foundation Hanyang University
Patent: 2
17
LG CNS Co., Ltd.
Systems design,Traffic management,Network integration,
...[+2]
Patent: 2
18
Mirae Corp.
Semiconductor,Manufacturing engineering,Wafer fabrication,
...[+2]
Patent: 1
19
Kwangshin Machine Industry Co., Ltd.
Machine industry,Automation,Manufacturing engineering,
...[+2]
Patent: 1
20
Cryos Co., Ltd.
Vaporizer,Automation,Manufacturing engineering,
...[+2]
Patent: 1
Page generation time: Jul 19 2025