Free Trial
Want deep insights into your competitors & competitive landscape? Try Patsnap Eureka!

Top 100 Key Players companies in Gas heater
by Most Patent Citation in the Japan 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 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.
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 Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Mitsubishi Kogyo KK
Japan
patent citation: 330
2
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 246
3
Panasonic Holdings Corp.
Osaka, Japan
Semiconductor,Industrial engineering,Electronics,
...[+2]
patent citation: 205
4
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 205
5
Rinnai Corp.
Aichi, Japan
Solar water heating,Electronics,Thermal energy,
...[+2]
patent citation: 186
6
IHI Power Systems Co., Ltd.
Tokyo, Japan
Turbine,Gas engine,Manufacturing engineering,
...[+2]
patent citation: 147
7
Tokyo Gas Co., Ltd.
Tokyo, Japan
Natural gas,Hydrogen chloride,Petroleum industry,
...[+2]
patent citation: 102
8
IHI Corp.
Tokyo, Japan
Turbocharger,Manufacturing engineering,Turbine,
...[+2]
patent citation: 93
9
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 82
10
Osaka Gas Co., Ltd.
Osaka, Japan
Natural gas,Activated carbon,Petroleum industry,
...[+2]
patent citation: 82
11
NIPPON STEEL Stainless Steel Corp.
Tokyo, Japan
Mill,Metal,Mining engineering,
...[+1]
patent citation: 75
12
Mitsubishi Power Ltd.
Kanagawa, Japan
Turbine,Control system,Renewable energy,
...[+2]
patent citation: 60
13
The Kansai Electric Power Co., Inc.
Osaka, Japan
Telecommunications,Energy management,Electric utility,
...[+2]
patent citation: 58
14
DENSO Corp.
Aichi, Japan
Automotive engineering,Industrial robot,Programmable logic controller,
...[+2]
patent citation: 57
15
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 55
16
Fujifilm Business Innovation Corp.
Chiba, Japan
Electronics,Inkjet printing,Vertical-cavity surface-emitting laser,
...[+2]
patent citation: 55
17
Kobe Steel, Ltd.
Hyogo, Japan
Welding,Electronics,Mining engineering,
...[+2]
patent citation: 51
18
Tosoh Corp.
Tokyo, Japan
Petrochemical,Chemical engineering,Immunoprotein,
...[+2]
patent citation: 49
19
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 46
20
Honda Motor Co., Ltd.
Tokyo, Japan
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
patent citation: 43
21
Mitsubishi Hitachi Power Systems
Kanagawa, Japan
Control system
patent citation: 40
22
Kawasaki Steel Corp.
Japan
patent citation: 36
23
NKK Corp.
Tokyo, Japan
Natural resource management,Mining engineering
patent citation: 32
24
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 31
25
Mitsui E&S Holdings Co., Ltd.
Tokyo, Japan
Public transport,Hydrogen compressor,Reciprocating compressor,
...[+2]
patent citation: 27
26
Kyushu Electric Power Co., Inc.
Fukuoka, Japan
Electronics,Nuclear reactor,Natural uranium,
...[+2]
patent citation: 25
27
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 25
28
Iwatani Corp.
Tokyo, Japan
Petroleum,Petroleum industry,Helium,
...[+2]
patent citation: 23
29
Mitsubishi Kakoki Kaisha, Ltd.
Kanagawa, Japan
Water treatment,Manufacturing engineering,Industrial effluent,
...[+2]
patent citation: 22
30
DAIKIN INDUSTRIES Ltd.
Osaka, Japan
Air conditioning,Refrigeration,Mechanical engineering,
...[+2]
patent citation: 21
31
Daikin Airconditioning France SAS
Osaka, Japan
Industrial engineering,Fluorochemical industry,Air conditioning,
...[+1]
patent citation: 21
32
Hakusan MFG Co., Ltd.
Tokyo, Japan
patent citation: 21
33
Kyushu Tetsudo Kiki Seizo KK
Japan
patent citation: 21
34
Japan Marine United Corp.
Kanagawa, Japan
Offshore wind power,Wind power,Mechanical engineering,
...[+1]
patent citation: 20
35
Evonik Degussa Japan Co., Ltd.
Tokyo, Japan
patent citation: 20
36
Daiwa Kosan Co. Ltd.
Japan
patent citation: 20
37
Nittetsu Plant Designing Corp.
Japan
patent citation: 19
38
Sumitomo Heavy Industries, Ltd.
Tokyo, Japan
Sewage treatment,Proton therapy,Cryocooler,
...[+2]
patent citation: 18
39
Hitachi Zosen Corp.
Osaka, Japan
Mechanical engineering,Waste-to-energy,Environmental protection,
...[+2]
patent citation: 18
40
Espec Corp.
Osaka, Japan
Climate system,Computer hardware,Electronics,
...[+2]
patent citation: 17
41
NGK SPARK PLUG CO., LTD.
Aichi, Japan
Spark plug,Automotive engineering,Ceramic art,
...[+2]
patent citation: 15
42
Kojima Instruments, Inc.
Japan
Mass flow controller
patent citation: 15
43
Yoshino Co. Ltd.
Japan
patent citation: 15
44
Kawasaki Heavy Industries Ltd.
Kyoto, Japan
Turbine,Mechanical engineering,Manufacturing engineering,
...[+2]
patent citation: 14
45
Asahi Kasei Corp.
Tokyo, Japan
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
patent citation: 14
46
Kajima Corp.
Tokyo, Japan
Civil engineering,Construction engineering,Real estate development,
...[+2]
patent citation: 13
47
Japan Engineering Co., Ltd.
Kanagawa, Japan
Semiconductor,Automation,Manufacturing engineering,
...[+2]
patent citation: 13
48
Tottori Sanyo Electric Co., Ltd.
Tottori, Japan
Display device,Electronics,Projector
patent citation: 13
49
Nikon Corp.
Tokyo, Japan
Microscope,Photography,Motion capture,
...[+2]
patent citation: 12
50
Paloma Co., Ltd.
Aichi, Japan
Microwave,Vacuum cleaner,Cook stove,
...[+2]
patent citation: 12
51
Hino Motors, Ltd.
Tokyo, Japan
Truck,Public transport,Gasoline,
...[+2]
patent citation: 12
52
Ebara Corp.
Tokyo, Japan
Vacuum pump,Manufacturing engineering,Turbine,
...[+2]
patent citation: 10
53
SCREEN Holdings Co., Ltd.
Kyoto, Japan
Semiconductor,Wafer fabrication,Flat panel display,
...[+2]
patent citation: 10
54
Nippon Carbon Co., Ltd.
Tokyo, Japan
Graphite,Industrial engineering,3D printing,
...[+2]
patent citation: 10
55
Toyota Motor Corp.
Aichi, Japan
Sport utility vehicle,Mobile device,Public transport,
...[+2]
patent citation: 9
56
Aica Kogyo Co., Ltd.
Aichi, Japan
Adhesive,Synthetic rubber,Chemical engineering,
...[+2]
patent citation: 9
57
Senju Metal Industry Co., Ltd.
Tokyo, Japan
Solder ball,Mining engineering,Natural resource management,
...[+2]
patent citation: 9
58
Olympus Corp.
Tokyo, Japan
Microscope,Endoscopy,Software,
...[+2]
patent citation: 8
59
TOTO Ltd.
Fukuoka, Japan
Bathtub,Cistern,Sink (computing),
...[+2]
patent citation: 8
60
Pacific Industrial Co., Ltd.
Gifu, Japan
Stamping,Automotive safety,Automotive engineering,
...[+2]
patent citation: 8
61
Kobayashi Sangyo Co. Ltd.
Japan
patent citation: 8
62
NEC Corp.
Tokyo, Japan
Virtualization,Big data,Network security,
...[+2]
patent citation: 7
63
JFE Engineering Corp.
Tokyo, Japan
Environmental protection,Renewable energy,Health care,
...[+2]
patent citation: 7
64
Sumitomo Metal Industries Ltd.
Osaka, Japan
Metal,Semiconductor,Casting,
...[+2]
patent citation: 7
65
Yokoyama KK
Tokyo, Japan
patent citation: 7
66
Mitsubishi Nagasaki Machinery Mfg. Co., Ltd.
Nagasaki, Japan
Turbine,Electronics,Power transmission
patent citation: 7
67
Panasonic Intellectual Property Management Co. Ltd.
Osaka, Japan
patent citation: 7
68
Seiko Epson Corp.
Nagano, Japan
Wearable technology,Projector,Electronics,
...[+2]
patent citation: 6
69
Mitsubishi Corp.
Tokyo, Japan
Lifestyle business,Electricity,Raw material,
...[+2]
patent citation: 5
70
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 5
71
Sumitomo Electric Industries Ltd.
Osaka, Japan
Electronics,Optical fiber,Optical fiber cable,
...[+2]
patent citation: 5
72
Toray Industries, Inc.
Tokyo, Japan
Fiber,Textile,Textile (markup language),
...[+2]
patent citation: 5
73
Sumitomo Electric
Osaka, Japan
Optical fiber,Electronics,Optical fiber cable
patent citation: 5
74
Tornex, Inc.
Japan
patent citation: 5
75
Asahi Seisakusho Co., Ltd.
Kanagawa, Japan
Washer,Electronics,Laundry
patent citation: 5
76
Toyota Industries Corp.
Aichi, Japan
Textile,Software,Automotive engineering,
...[+2]
patent citation: 4
77
ASAHI YUKIZAI Corp.
Miyazaki, Japan
Piping,Plastics engineering,Industrial engineering,
...[+2]
patent citation: 4
78
Kawata Mfg. Co., Ltd.
Osaka, Japan
Forging,Manufacturing engineering,Silo,
...[+2]
patent citation: 4
79
Hitachi Cable Ltd.
Tokyo, Japan
Electronics,Metal,Optical fiber,
...[+2]
patent citation: 4
80
Koyo Sangyo Co. Ltd.
Yamaguchi, Japan
Forestry
patent citation: 4
81
Hitachi Engineering & Services Co., Ltd.
Tokyo, Japan
Electronics
patent citation: 4
82
Iwao Jiki Kogyo Co. Ltd.
Japan
patent citation: 4
83
FIGARO Engineering, Inc.
Osaka, Japan
Semiconductor,Pressure sensor,Avionics,
...[+2]
patent citation: 4
84
Gadelius KK
Tokyo, Japan
Food processing
patent citation: 4
85
TaiSei-Shell Co., Ltd.
Japan
patent citation: 4
86
Chubu Electric Power Co., Inc.
Aichi, Japan
Electricity,Electric utility,Electric power transmission,
...[+2]
patent citation: 3
87
Toyobo Co., Ltd.
Osaka, Japan
Chemical engineering,Synthetic rubber,Membrane,
...[+2]
patent citation: 3
88
Saginomiya Seisakusho, Inc.
Tokyo, Japan
Refrigeration,Automation,Manufacturing engineering,
...[+2]
patent citation: 3
89
ITO Co., Ltd.
Saitama, Japan
Medicine,Clinical therapy,Bone fracture,
...[+2]
patent citation: 3
90
Nippon Pulse Motor Co., Ltd.
Tokyo, Japan
Electronic component,Electrical equipment,Electronics,
...[+2]
patent citation: 3
91
Kajiwara Kogyo Co. Ltd.
Japan
patent citation: 3
92
Nikko Machinery Co. Ltd.
Osaka, Japan
Electronic component,Computer hardware,Electronics,
...[+1]
patent citation: 3
93
Ricoh Co., Ltd.
Tokyo, Japan
Digital media,Data visualization,Thermal paper,
...[+2]
patent citation: 2
94
Murata Manufacturing Co. Ltd.
Kyoto, Japan
Semiconductor,Electronics,Electronic component,
...[+2]
patent citation: 2
95
Electric Power Development Co., Ltd.
Tokyo, Japan
Power transmission,Wind power,Electric power transmission,
...[+2]
patent citation: 2
96
Mitsui Mining & Smelting Co., Ltd.
Tokyo, Japan
Precious metal,Metal,Cathode material,
...[+2]
patent citation: 2
97
Kurimoto Ltd.
Osaka, Japan
Ductile iron pipe,Ductile iron,Metal,
...[+2]
patent citation: 2
98
Chiyoda Corp.
Kanagawa, Japan
Construction engineering,Information technology,Environmental engineering,
...[+2]
patent citation: 2
99
Chiyoda Co., Ltd.
Tokyo, Japan
Casual
patent citation: 2
100
Chofu Seisakusho Co., Ltd.
Yamaguchi, Japan
Heat pump,Solar energy,Water supply,
...[+2]
patent citation: 2

Who we serve

R&D Decision MakersNew Product Innovation LeaderTechnology Research AnalystsBusiness Development Professionals

Why Discovery

Technology Intelligence Data FoundationAI-powered Competitive Intelligence RadarTechnology Classification and Company Innovation Indicators

Social media

Try Discovery

Free Trial
PatSnap group products
Browse By:ABCDEFGHIJKLMNOPQRSTUVWXYZ#All topics,List of companies,Sitemap
© 2023 PatSnap. All rights reserved.Legal | Privacy policy Modern Slavery Act Transparency Statement
Page generation time: Jun 20 2025
For better visiting experience, please use PC device.X