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Top 20 Fast-growings companies in Liquefied natural gas
by Most Patent Filing In 5 Years in the Japan in 2020

The Liquefied natural gas top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 5 Years Liquefied natural gas Fast-growings in the Japan. 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
Kobe Steel, Ltd.
Welding,Electronics,Mining engineering,
...[+2]
Patent: 34
2
Kawasaki Heavy Industries Ltd.
Turbine,Mechanical engineering,Manufacturing engineering,
...[+2]
Patent: 28
3
Isuzu Motors Ltd.
Truck,Public transport,Diesel engine,
...[+2]
Patent: 9
4
Chiyoda Corp.
Construction engineering,Information technology,Environmental engineering,
...[+2]
Patent: 8
5
Chiyoda Co., Ltd.
Casual
Patent: 8
6
Osaka Gas Co., Ltd.
Natural gas,Activated carbon,Petroleum industry,
...[+2]
Patent: 7
7
Japan Petroleum Exploration Co., Ltd.
Natural gas,Chemical energy,Petroleum industry,
...[+2]
Patent: 6
8
Mitsubishi Kogyo KK
Patent: 5
9
Nippon Yusen KK
Transport engineering,Air cargo,Global logistics,
...[+2]
Patent: 5
10
Sanoyas Shipbuilding Corp.
Mechanical engineering,Manufacturing engineering,Shipbuilding,
...[+1]
Patent: 4
11
Sumitomo Seika Chemicals Co., Ltd.
Polymer,Chemical engineering,Sanitary napkin,
...[+2]
Patent: 4
12
Kawasaki Kisen Kaisha, Ltd.
Bulk cargo,Ship management,Transport engineering,
...[+2]
Patent: 4
13
Air Water Plant & Engineering, Inc.
LNG storage tank,Industrial gas
Patent: 4
14
Tokyo Gas Co., Ltd.
Natural gas,Hydrogen chloride,Petroleum industry,
...[+2]
Patent: 4
15
Tokyo Gas Chemicals Co. Ltd.
Industrial gas,Chemical engineering
Patent: 3
16
Nippon Sanso KK
Industrial gas,Chemical engineering,Liquid helium,
...[+2]
Patent: 3
17
NIPPON STEEL Stainless Steel Corp.
Mill,Metal,Mining engineering,
...[+1]
Patent: 3
18
Mitsui E&S Machinery Co., Ltd.
Patent: 3
19
Fujitsu Ltd.
Cloud computing,Enterprise software,Information technology management,
...[+2]
Patent: 3
20
Toyo Engineering Corp.
Petrochemical,Petroleum industry,Petroleum,
...[+2]
Patent: 2
Page generation time: Jul 18 2025