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Top 20 Fast-growings companies in NOx
by Most Patent Filing In 3 Years in the United States in 2022

The NOx top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 3 Years NOx Fast-growings in the United States. 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: 9
3
Patent: 6
4
Shopping mall,Truck
Patent: 6
5
Occupational therapy,Association (object-oriented programming),Pharmacy,
...[+2]
Patent: 5
6
Patent: 2
7
Patent: 2
8
Patent: 2
9
Patent: 1
10
Patent: 1
11
Patent: 1
12
Patent: 1
13
Ceramic art,Chemical engineering,Metallurgy,
...[+2]
Patent: 1
14
Patent: 1
15
History of the United States,Bequest,Medicine,
...[+2]
Patent: 1
16
Proteomics,Medicine,Pharmacy and Therapeutics,
...[+2]
Patent: 1
17
Patent: 1
18
Petroleum industry,Project team,Goods and services,
...[+1]
Patent: 1
19
Trait
Patent: 1
20
Patent: 1
Page generation time: Jun 21 2025