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Top 100 Key Players companies in Gas heater
by Most Patent Citation in the world in 2020

The Gas heater top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Gas heater Key Players in the world. 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.
A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

Germany

United States

United Kingdom

France

South Korea

Canada

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Mitsubishi Kogyo KK
Japan
patent citation: 330
2
Procom Heating, Inc.
CA, US
Fireplace,Cooling tower,Natural gas,
...[+2]
patent citation: 253
3
Guangdong Macro Gas Appliance Co., Ltd.
Guangdong Sheng, China
Air purifier,Electronics,Heating system
patent citation: 250
4
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 246
5
Panasonic Holdings Corp.
Osaka, Japan
Semiconductor,Industrial engineering,Electronics,
...[+2]
patent citation: 205
6
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 205
7
Rinnai Corp.
Aichi, Japan
Solar water heating,Electronics,Thermal energy,
...[+2]
patent citation: 186
8
IHI Power Systems Co., Ltd.
Tokyo, Japan
Turbine,Gas engine,Manufacturing engineering,
...[+2]
patent citation: 147
9
Guangdong Vanward New Electric Co., Ltd.
Guangdong Sheng, China
Smoke,Stove,Electronics,
...[+2]
patent citation: 137
10
Tokyo Gas Co., Ltd.
Tokyo, Japan
Natural gas,Hydrogen chloride,Petroleum industry,
...[+2]
patent citation: 102
11
IHI Corp.
Tokyo, Japan
Turbocharger,Manufacturing engineering,Turbine,
...[+2]
patent citation: 93
12
Midea Group Co. Ltd.
Jilin, China
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
patent citation: 92
13
Licentia Patent Verwaltungs GmbH
Nordrhein-Westfalen, Germany
patent citation: 92
14
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 82
15
Osaka Gas Co., Ltd.
Osaka, Japan
Natural gas,Activated carbon,Petroleum industry,
...[+2]
patent citation: 82
16
Applied Materials, Inc.
California, United States
Semiconductor,Electronics,Chemical-mechanical planarization,
...[+2]
patent citation: 81
17
Sunbelt Rentals, Inc.
South Carolina, United States
Forestry,Construction engineering,Electricity,
...[+2]
patent citation: 79
18
NIPPON STEEL Stainless Steel Corp.
Tokyo, Japan
Mill,Metal,Mining engineering,
...[+1]
patent citation: 75
19
General Electric Co.
Massachusetts, United States
Energy management,Turbine,Electronics,
...[+2]
patent citation: 73
20
Hylsa SA de CV
Nuevo León, Mexico
Mining engineering,Natural resource management
patent citation: 73
21
Niro A/S
Capital, Denmark
Food industry,Evaporation,Oil well,
...[+2]
patent citation: 67
22
Stiebel Eltron GmbH & Co. KG
Niedersachsen, Germany
Heat pump,Storage heater,Automation,
...[+2]
patent citation: 64
23
Monessen Hearth Systems Co. LLC
Kentucky, United States
Hearth,Fast-moving consumer goods,Radiator (engine cooling),
...[+2]
patent citation: 63
24
Haier Group Corp.
Shandong Sheng, China
Electronics,Power transmission,Interior design,
...[+2]
patent citation: 62
25
Mitsubishi Power Ltd.
Kanagawa, Japan
Turbine,Control system,Renewable energy,
...[+2]
patent citation: 60
26
MSE, Inc.
Montana, United States
Biotechnology,Agriculture,Fishery,
...[+2]
patent citation: 59
27
The Kansai Electric Power Co., Inc.
Osaka, Japan
Telecommunications,Energy management,Electric utility,
...[+2]
patent citation: 58
28
Gas-Fired Products, Inc.
North Carolina, United States
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 58
29
DENSO Corp.
Aichi, Japan
Automotive engineering,Industrial robot,Programmable logic controller,
...[+2]
patent citation: 57
30
Benteler Automobiltechnik GmbH
Nordrhein-Westfalen, Germany
Automotive engineering
patent citation: 56
31
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 55
32
Fujifilm Business Innovation Corp.
Chiba, Japan
Electronics,Inkjet printing,Vertical-cavity surface-emitting laser,
...[+2]
patent citation: 55
33
Kobe Steel, Ltd.
Hyogo, Japan
Welding,Electronics,Mining engineering,
...[+2]
patent citation: 51
34
Robert Bosch GmbH
Baden-Württemberg, Germany
Automotive engineering,Mechanical engineering,Electronics,
...[+2]
patent citation: 51
35
Robert Bosch Corp.
Michigan, United States
Shopping mall,Truck
patent citation: 51
36
Tosoh Corp.
Tokyo, Japan
Petrochemical,Chemical engineering,Immunoprotein,
...[+2]
patent citation: 49
37
Foseco International Ltd.
Derbyshire, United Kingdom
Foundry,Coating,Metal
patent citation: 48
38
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 46
39
EBM-Papst Landshut GmbH
Germany
Electrical equipment,Computer hardware,Electronics
patent citation: 46
40
Koehring Co.
WI, US
patent citation: 45
41
Honda Motor Co., Ltd.
Tokyo, Japan
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
patent citation: 43
42
Saunier Duval Eau Chaude Chauffage SASU
Île-de-France, France
Facility management,Industrial engineering,Renewable energy system,
...[+2]
patent citation: 43
43
Chongqing Haier Water Heater Co., Ltd.
Chongqing Shi, China
patent citation: 43
44
GEA Systems North America LLC
United States
Process engineering,Construction engineering
patent citation: 41
45
Key Safety Systems, Inc.
Michigan, United States
Airbag,Automotive engineering,Manufacturing engineering,
...[+2]
patent citation: 40
46
Reorganized Consumat Systems, Inc.
United States
Incineration,Automation,Manufacturing engineering,
...[+2]
patent citation: 40
47
Mitsubishi Hitachi Power Systems
Kanagawa, Japan
Control system
patent citation: 40
48
Samsung Electronics Co., Ltd.
South Korea
Computer hardware,Semiconductor,Software,
...[+2]
patent citation: 39
49
McDonnell Douglas Corp.
Missouri, United States
Aerospace,National security,Missile,
...[+1]
patent citation: 37
50
DAEWOO SHIPBUILDING & MARINE ENGINEERING Co., Ltd.
South Korea
Shipbuilding,Shipyard,Computer hardware,
...[+2]
patent citation: 36
51
GTE Products Corp.
PA, US
patent citation: 36
52
Kawasaki Steel Corp.
Japan
patent citation: 36
53
Kawasaki Steel
patent citation: 36
54
RAD Technologies, Inc.
Quebec, Canada
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 34
55
Total Petrochemicals & Refining USA, Inc.
Texas, United States
Polyethylene,Chemical engineering,Polystyrene,
...[+2]
patent citation: 34
56
HYL Technologies SA de CV
Mexico
Recruitment Activity
patent citation: 34
57
NKK Corp.
Tokyo, Japan
Natural resource management,Mining engineering
patent citation: 32
58
A. O. Smith (China) Water Heater Co., Ltd.
Jiangsu Sheng, China
Water treatment,Management system,Refrigeration
patent citation: 32
59
Johnson Electric Germany GmbH & Co. KG
Germany
Electric motor,Metal
patent citation: 32
60
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 31
61
Bayerische Motoren Werke AG
Bayern, Germany
Sales management,Product design,Automotive engineering,
...[+2]
patent citation: 30
62
International Business Machines Corp.
New York, United States
Software,Computer hardware,Enterprise software,
...[+2]
patent citation: 29
63
LG Electronics, Inc.
South Korea
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 29
64
Foster Wheeler Energy International, Inc.
New Jersey, United States
Construction engineering
patent citation: 28
65
Mitsui E&S Holdings Co., Ltd.
Tokyo, Japan
Public transport,Hydrogen compressor,Reciprocating compressor,
...[+2]
patent citation: 27
66
Taiwan Sakura Corp.
Taiwan Province, China
Stove,Water treatment,Electronics,
...[+2]
patent citation: 27
67
Zodiac Pool Systems, Inc.
California, United States
Lifestyle business,Robot,Robotics,
...[+2]
patent citation: 27
68
Cambridge Engineering, Inc.
Missouri, United States
patent citation: 27
69
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 26
70
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 26
71
Primetals Asset Management U.K. Ltd.
United Kingdom
Construction engineering
patent citation: 26
72
Kyushu Electric Power Co., Inc.
Fukuoka, Japan
Electronics,Nuclear reactor,Natural uranium,
...[+2]
patent citation: 25
73
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 25
74
Shuangliang Eco-Energy Systems Co., Ltd.
Jiangsu Sheng, China
Air conditioning,Chiller,Conditioning equipment,
...[+2]
patent citation: 25
75
Johnson Research & Development Co., Inc.
United States
Biotechnology,Agriculture,Fishery,
...[+2]
patent citation: 25
76
Hamworthy Gas Systems AS
NO
patent citation: 25
77
International Telephone & Telegraph Corp.
AZ, US
patent citation: 25
78
Air Products & Chemicals, Inc.
Pennsylvania, United States
Industrial gas,Chemical engineering,Helium,
...[+2]
patent citation: 24
79
Aptiv Plc
DUBLIN, Ireland
Electric vehicle,Automotive engineering,Software,
...[+2]
patent citation: 24
80
Delphi Technology, Inc.
Massachusetts, United States
Software,Business intelligence,Systems design,
...[+2]
patent citation: 24
81
MAN Technologie AG
BV, DE
Aerospace,Aviation,Manufacturing engineering,
...[+2]
patent citation: 24
82
Breed Automotive Technology, Inc.
Michigan, United States
patent citation: 24
83
Iwatani Corp.
Tokyo, Japan
Petroleum,Petroleum industry,Helium,
...[+2]
patent citation: 23
84
Rheem Australia Pty Ltd.
New South Wales, Australia
Heat pump,Refrigeration
patent citation: 23
85
Fagor S Coop
Spain
patent citation: 23
86
Mitsubishi Kakoki Kaisha, Ltd.
Kanagawa, Japan
Water treatment,Manufacturing engineering,Industrial effluent,
...[+2]
patent citation: 22
87
Degussa AG
Hessen, Germany
Precious metal,Chemical engineering,Nutrition,
...[+2]
patent citation: 22
88
Phason, Inc.
Manitoba, Canada
Phason,Power transmission,Electronics
patent citation: 22
89
Research Institute of Industrial Science & Technology
South Korea
Biotechnology,Agriculture,Fishery,
...[+2]
patent citation: 22
90
DAIKIN INDUSTRIES Ltd.
Osaka, Japan
Air conditioning,Refrigeration,Mechanical engineering,
...[+2]
patent citation: 21
91
Daikin Airconditioning France SAS
Osaka, Japan
Industrial engineering,Fluorochemical industry,Air conditioning,
...[+1]
patent citation: 21
92
Thermal Corp.
California, United States
Web design,Health care,Content marketing,
...[+2]
patent citation: 21
93
Mainstream Engineering Corp.
United States
Refrigeration,Energy products,Biofuel
patent citation: 21
94
Hakusan MFG Co., Ltd.
Tokyo, Japan
patent citation: 21
95
Kyushu Tetsudo Kiki Seizo KK
Japan
patent citation: 21
96
PPG Industries, Inc.
Pennsylvania, United States
Coating,Chemical engineering,Industrial engineering,
...[+2]
patent citation: 20
97
Guangdong Chant Group, Inc.
Guangdong Sheng, China
Petroleum industry,Biomass,Bioenergy,
...[+2]
patent citation: 20
98
Japan Marine United Corp.
Kanagawa, Japan
Offshore wind power,Wind power,Mechanical engineering,
...[+1]
patent citation: 20
99
Wolf GmbH
Germany
Air conditioning,Biomass heating system,Refrigeration,
...[+2]
patent citation: 20
100
Evonik Degussa Japan Co., Ltd.
Tokyo, Japan
patent citation: 20

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