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Top 50 Fast-growings companies in NOx
by Most Patent Filing In 5 Years in the Japan in 2020

The NOx top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years NOx Fast-growings 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.
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: 158
2
Patent: 100
3
Patent: 76
4
Patent: 44
5
Patent: 43
6
Patent: 30
7
Patent: 26
8
Patent: 24
9
Patent: 18
10
Patent: 16
11
Patent: 15
12
Patent: 15
13
Patent: 14
14
Patent: 13
15
Patent: 12
16
Patent: 11
17
Patent: 11
18
Cisco Catalyst,Automotive engineering
Patent: 11
19
Patent: 10
20
Patent: 10
21
Patent: 10
22
Patent: 10
23
Patent: 9
24
Patent: 8
25
Patent: 8
26
Patent: 8
27
Patent: 8
28
Patent: 7
29
Patent: 7
30
Patent: 6
31
Patent: 5
32
Patent: 5
33
Patent: 5
34
Patent: 5
35
Patent: 5
36
Patent: 4
37
Patent: 4
38
Patent: 4
39
Environmental consulting,Industrial engineering,Industrial furnace,
...[+2]
Patent: 4
40
Patent: 4
41
Patent: 4
42
Patent: 4
43
Patent: 3
44
Public university,Web information,Chemistry,
...[+2]
Patent: 3
45
Patent: 3
46
Patent: 3
47
Patent: 3
48
Patent: 3
49
Patent: 3
50
Patent: 3
Page generation time: Jun 20 2025