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Top 50 Key Players companies in NOx
by Most Research Publications in the world in 2019

The NOx top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Research Publications NOx Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
In atmospheric chemistry, NO x is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide (NO 2 ). These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

Japan

Germany

United States

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
Max Planck Gesellschaft zur Förderung der Wissenschaften eV
Bayern, Germany
Basic research,Publishing,Market research,
...[+2]
Literature: 257
2
The National Center for Atmospheric Research
Colorado, United States
Meteorology,Atmospheric chemistry,Mesa,
...[+2]
Literature: 254
3
Ford Motor Co.
Michigan, United States
Truck,Public transport,Automotive engineering,
...[+2]
Literature: 219
4
General Motors Co.
Michigan, United States
Sport utility vehicle,Public transport,Enterprise software,
...[+2]
Literature: 143
5
Toyota Motor Corp.
Aichi, Japan
Sport utility vehicle,Mobile device,Public transport,
...[+2]
Literature: 118
6
Research Triangle Foundation
North Carolina, United States
Science park
Literature: 107
7
Johnson Matthey Chemicals GmbH
Nordrhein-Westfalen, Germany
Chemical engineering
Literature: 88
8
Volvo AB
Västra Götaland, Sweden
Truck,Public transport,Industrial engineering,
...[+2]
Literature: 82
9
General Electric Co.
Massachusetts, United States
Energy management,Turbine,Electronics,
...[+2]
Literature: 77
10
Forschungszentrum Jülich GmbH
Nordrhein-Westfalen, Germany
Knowledge base,Entrepreneurial culture,BCG vaccine,
...[+2]
Literature: 77
11
Advanced Industrial Science & Technology
Tokyo, Japan
Graphene,Association (object-oriented programming)
Literature: 71
12
Royal Netherlands Meteorological Institute
Utrecht, Netherlands
Weather forecasting,Climatology,Atmospheric sciences,
...[+2]
Literature: 66
13
Ames Research Center
Texas, United States
Market research,NASA research,Silicon valley,
...[+2]
Literature: 59
14
The National Research Council
District of Columbia, United States
Public opinion,Health care,Chemistry,
...[+2]
Literature: 55
15
Commonwealth Scientific & Industrial Research Organisation
Victoria, Australia
Market research,Phosphatase,Kinase,
...[+2]
Literature: 53
16
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
Literature: 51
17
Norsk Institutt for Luftforskning
Akershus, Norway
Association (object-oriented programming)
Literature: 49
18
Renault SA
Île-de-France, France
Sport utility vehicle,Automotive engineering,Venture capital,
...[+2]
Literature: 47
19
Mercedes-Benz Group AG
Baden-Württemberg, Germany
Automotive engineering,Electric vehicle,Hybrid vehicle,
...[+2]
Literature: 46
20
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
Literature: 42
21
Umicore
Brussels Hoofdstedelijk Gewest, Belgium
Zinc,Precious metal,Catalysis,
...[+2]
Literature: 39
22
Ge Energy Infrastructure
Connecticut, United States
Power transmission,Electricity
Literature: 39
23
Caterpillar, Inc.
Illinois, United States
Turbine,Construction engineering,Mechanical engineering,
...[+2]
Literature: 38
24
Solar Turbines, Inc.
California, United States
Turbine,Petroleum industry,Power transmission,
...[+2]
Literature: 36
25
Central Research Institute of Electric Power Industry
Kanagawa, Japan
Electric power industry,Technology transfer
Literature: 35
26
International Institute for Applied Systems Analysis
Niederösterreich, Austria
Systems analysis,Human Dimension,Global change,
...[+2]
Literature: 35
27
AVL List GmbH
Steiermark, Austria
Automotive engineering,Powertrain,Electric vehicle,
...[+2]
Literature: 33
28
Indian Institute of Tropical Meteorology
Maharashtra, India
Meteorology,Tropics,Scientific institution,
...[+1]
Literature: 33
29
Alstom SA
Île-de-France, France
Public transport,Power transmission,Efficient energy use,
...[+2]
Literature: 32
30
Sintef AS
Sør-Trøndelag, Norway
Knowledge generation,Market research,Articulated robot,
...[+2]
Literature: 28
31
Norwegian Meteorological Institute
Oslo, Norway
Climatology,Meteorology,Oceanography,
...[+2]
Literature: 27
32
Aptiv Plc
DUBLIN, Ireland
Electric vehicle,Automotive engineering,Software,
...[+2]
Literature: 26
33
Marshall Space Flight Center
Alabama, United States
Space Launch System,Spacecraft propulsion,Space Shuttle,
...[+2]
Literature: 26
34
Shell Plc
Zuid-Holland, Netherlands
Petroleum,Renewable energy,Petroleum industry,
...[+2]
Literature: 25
35
Mitsubishi Heavy Industries, Ltd.
Tokyo, Japan
Aerospace,Electronics,Manufacturing engineering,
...[+2]
Literature: 24
36
Robert Bosch GmbH
Baden-Württemberg, Germany
Automotive engineering,Mechanical engineering,Electronics,
...[+2]
Literature: 22
37
KITECH
Chungcheongnam-do, South Korea
Industrial technology,Domestic industry
Literature: 22
38
Westinghouse Electric Co. LLC
Pennsylvania, United States
Nuclear power plant,Pressurized water reactor,Power transmission,
...[+2]
Literature: 21
39
The Pratt & Whitney Co., Inc.
Connecticut, United States
Turbojet,Aerospace,Jet engine,
...[+2]
Literature: 20
40
Honda Co.
JP
Mechanical engineering,Manufacturing engineering
Literature: 20
41
Kawasaki Heavy Industries Ltd.
Kyoto, Japan
Turbine,Mechanical engineering,Manufacturing engineering,
...[+2]
Literature: 19
42
Institut Français
Île-de-France, France
Local culture,Commercial Organization
Literature: 19
43
Corning, Inc.
New York, United States
Telecommunications,Computer hardware,Electronics,
...[+2]
Literature: 18
44
National Physical Laboratory Ltd.
Gloucestershire, United Kingdom
Medical imaging,Health care,Association (object-oriented programming),
...[+2]
Literature: 18
45
Business International Corp.
United States
Literature: 18
46
U.S. Department of Agriculture
District of Columbia, United States
Agriculture,Food industry,Farming industry,
...[+2]
Literature: 17
47
Das Alfred-Wegener-Institut für Polar- und Meeresforschung
Bremen, Germany
Latitude,Aerospace,National security
Literature: 17
48
China Petroleum & Chemical Corp.
Beijing Shi, China
Petrochemical,Petroleum,Enterprise software,
...[+2]
Literature: 16
49
Kema, Inc.
Lombardia, Italy
Renewable energy,Solar energy
Literature: 16
50
Volkswagen AG
Niedersachsen, Germany
Electric vehicle,Automation,Product design,
...[+2]
Literature: 15

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