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Top 100 New Entrants companies in NOx
by Most Patent Filing In 5 Years in the world in 2021

The NOx top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 5 Years NOx New Entrants in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, 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.
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Company Name
Region
Tech Topics
Total
1
Saudi Arabia
Patent: 14
2
Patent: 11
3
Belgium
Patent: 11
4
Patent: 9
5
Academic Training,Educational institution,Graduate degree,
...[+2]
Patent: 9
6
Patent: 8
7
Utrecht, Netherlands
Human resources
Patent: 7
8
Tokyo, Japan
Patent: 7
9
Patent: 7
10
Rhône-Alpes, France
Public university,Chemistry,Biology,
...[+2]
Patent: 7
11
HD, IL
Patent: 6
12
HE, CN
Patent: 6
13
Patent: 6
14
Greater Poland, Poland
Patent: 6
15
Brussels Hoofdstedelijk Gewest, Belgium
Hydrogen,Advertising,Gasoline
Patent: 6
16
Patent: 5
17
Occupational therapy,Association (object-oriented programming),Pharmacy,
...[+2]
Patent: 5
18
Environmental consulting,Metallurgy,Environmental protection,
...[+2]
Patent: 5
19
Patent: 5
20
Belgium
Patent: 5
21
Qingdao Huashijie Environment Technology Co., Ltd.
Patent: 5
22
Patent: 5
23
Patent: 4
24
Patent: 4
25
Vilniaus apskritis, Lithuania
Patent: 4
26
Patent: 4
27
Patent: 4
28
Patent: 4
29
Patent: 4
30
Patent: 4
31
Patent: 4
32
Patent: 4
33
Pinyin,Chemistry,Mathematics,
...[+2]
Patent: 4
34
Patent: 4
35
Patent: 4
36
Hyogo, Japan
Textile (markup language),Energy materials,Textile,
...[+1]
Patent: 4
37
Patent: 4
38
Patent: 4
39
Patent: 4
40
Patent: 4
41
Spain
Patent: 4
42
Patent: 4
43
Patent: 4
44
BR, FR
Video camera,Toothbrush,Stove,
...[+1]
Patent: 3
45
Patent: 3
46
Patent: 3
47
Patent: 3
48
Yarn,Aramid,Fiber,
...[+2]
Patent: 3
49
Patent: 3
50
Bremen, Germany
Patent: 3
51
Patent: 3
52
Patent: 3
53
Light industry,Chemistry,Chromatography,
...[+2]
Patent: 3
54
Patent: 3
55
Padova, Italy
Patent: 3
56
Patent: 3
57
France
Mechatronics,Medicine,Electronics
Patent: 3
58
Patent: 3
59
Patent: 3
60
Public university,Mathematics,Chemistry,
...[+2]
Patent: 3
61
Patent: 3
62
Jihomoravský, Czechia
Patent: 3
63
Patent: 2
64
Industry of China,Aerospace,Civil aviation,
...[+2]
Patent: 2
65
Bayern, Germany
Patent: 2
66
Patent: 2
67
Patent: 2
68
Patent: 2
69
Patent: 2
70
Patent: 2
71
Patent: 2
72
Supply chain management,Precious metal,Mining engineering,
...[+2]
Patent: 2
73
Patent: 2
74
Patent: 2
75
Ukraine
Ukrainian,Medicine,Internal medicine,
...[+2]
Patent: 2
76
Patent: 2
77
Patent: 2
78
Jinneng Power Group Co., Ltd.
Patent: 2
79
Professional degree,Health care,Publication,
...[+2]
Patent: 2
80
Patent: 2
81
Patent: 2
82
Patent: 2
83
Petroleum industry,Project team,Goods and services,
...[+1]
Patent: 2
84
Patent: 2
85
Patent: 2
86
Patent: 2
87
Patent: 2
88
Patent: 2
89
Delhi, India
Patent: 2
90
Patent: 2
91
Aramid,Fiber,Textile (markup language),
...[+2]
Patent: 2
92
Patent: 2
93
Patent: 2
94
Patent: 2
95
Patent: 2
96
SY, GB
Patent: 2
97
Patent: 2
98
Qilu University of Technology
CN
Patent: 2
99
Patent: 2
100
Patent: 2
Page generation time: Jun 20 2025