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Top 100 Fast-growings companies in NOx
by Most Patent Filing In 3 Years in the world in 2022

The NOx top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 3 Years NOx Fast-growings in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2022, 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
Patent: 46
2
Patent: 45
3
Patent: 35
4
Patent: 30
5
Patent: 22
6
United Kingdom
Patent: 18
7
Patent: 17
8
CONTEST,Biological membrane,Biofabrication,
...[+2]
Patent: 15
9
Patent: 14
10
Patent: 14
11
Patent: 14
12
Patent: 14
13
Patent: 14
14
Patent: 13
15
Patent: 12
16
Western culture,TUTOR,Silicon carbide,
...[+2]
Patent: 10
17
Patent: 10
18
Customer expectation,Automotive engineering,Public transport,
...[+2]
Patent: 9
19
Patent: 9
20
Patent: 9
21
Patent: 9
22
Patent: 9
23
Patent: 9
24
Patent: 8
25
Patent: 8
26
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
Patent: 8
27
Patent: 8
28
Pinyin,Literature,Materials science,
...[+2]
Patent: 8
29
Patent: 7
30
Patent: 7
31
Patent: 7
32
HE, CN
Patent: 7
33
Cisco Catalyst,Automotive engineering
Patent: 7
34
Patent: 6
35
Patent: 6
36
Patent: 6
37
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 6
38
Shopping mall,Truck
Patent: 6
39
Patent: 6
40
Patent: 6
41
Pinyin,Public university,Materials science,
...[+2]
Patent: 6
42
Patent: 6
43
Saudi Arabia
Patent: 6
44
Patent: 6
45
Patent: 6
46
Qingdao University of Technology
Patent: 5
47
Patent: 5
48
Patent: 5
49
Patent: 5
50
Pinyin,Public university,Coronavirus,
...[+2]
Patent: 5
51
Patent: 5
52
Patent: 5
53
Vicenza, Italy
Patent: 5
54
Patent: 5
55
Occupational therapy,Association (object-oriented programming),Pharmacy,
...[+2]
Patent: 5
56
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 5
57
Patent: 5
58
International standard,MicroLED,Vocational education,
...[+2]
Patent: 5
59
Patent: 5
60
Patent: 5
61
Patent: 5
62
Patent: 5
63
Patent: 4
64
Patent: 4
65
Patent: 4
66
Northeast Electric Power University
JI, CN
Patent: 4
67
Patent: 4
68
Patent: 4
69
Patent: 4
70
Smoke,Stove,Electronics,
...[+2]
Patent: 4
71
Patent: 4
72
Patent: 4
73
Patent: 4
74
Patent: 4
75
Patent: 4
76
Patent: 4
77
Patent: 4
78
Patent: 4
79
Patent: 4
80
Patent: 4
81
Pinyin,Educational institution,Cancer immunotherapy,
...[+2]
Patent: 4
82
United Kingdom
Patent: 4
83
Education development,Cell therapy,Drug repositioning,
...[+2]
Patent: 3
84
Coventry, United Kingdom
Four-wheel drive,Automotive engineering,New Car Assessment Program,
...[+1]
Patent: 3
85
Patent: 3
86
Oslo, Norway
Patent: 3
87
Patent: 3
88
Patent: 3
89
Patent: 3
90
Patent: 3
91
Patent: 3
92
Patent: 3
93
Patent: 3
94
Patent: 3
95
Patent: 3
96
Patent: 3
97
Patent: 3
98
Patent: 3
99
Patent: 3
100
Patent: 3
Page generation time: Jun 20 2025