Free Trial
Want deep insights into your competitors & competitive landscape? Try Patsnap Eureka!

Top 100 Fast-growings companies in NOx
by Most Patent Filing In 5 Years in the China in 2020

The NOx top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 5 Years NOx Fast-growings in the China. 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.
#
Company Name
Region
Tech Topics
Total
1
China Petroleum & Chemical Corp.
Petrochemical,Petroleum,Enterprise software,
...[+2]
Patent: 60
2
Xi'an Jiaotong University
Materials science,Computer science,Composite material,
...[+2]
Patent: 57
3
Weichai Power Co., Ltd.
Diesel engine,Spark plug,Gasoline,
...[+2]
Patent: 44
4
Huaneng Clean Energy Research Institute
Petroleum coke
Patent: 43
5
Tianjin University
Radio-frequency identification,Coronavirus disease 2019 (COVID-19),Pinyin,
...[+2]
Patent: 41
6
Shanghai Wisebond Technology Co., Ltd.
Nitrogen,Denitrification,Petrochemical,
...[+1]
Patent: 37
7
Zhongye Changtian International Engineering Co., Ltd.
Silicon valley,Construction engineering
Patent: 35
8
Xi'an Thermal Power Research Institute Co., Ltd.
Patent: 34
9
North China Electric Power University
Pinyin,Control theory,Computer science,
...[+2]
Patent: 34
10
Tsinghua University
Western culture,TUTOR,Silicon carbide,
...[+2]
Patent: 33
11
Huadian Electric Power Research Institute Co., Ltd.
Hydropower,Energy technology
Patent: 28
12
Beijing University of Technology
International standard,MicroLED,Vocational education,
...[+2]
Patent: 25
13
Anhui University of Technology
Pinyin,Literature,Materials science,
...[+2]
Patent: 24
14
Datang Environment Industry Group Co., Ltd.
Energy conservation,Environmental protection,Denitrification,
...[+2]
Patent: 23
15
Dalian University of Technology
Revocation,Materials science,Chemistry,
...[+2]
Patent: 23
16
Shanghai Jiao Tong University
CONTEST,Biological membrane,Biofabrication,
...[+2]
Patent: 22
17
Shandong University
Pinyin,Public university,Coronavirus,
...[+2]
Patent: 20
18
University of Science & Technology Beijing
Metallurgy,Pinyin,Materials science,
...[+2]
Patent: 19
19
SINOPEC Engineering (Group) Co., Ltd.
Construction engineering,Chemical engineering,Oil well,
...[+2]
Patent: 19
20
Kunming University of Science & Technology
Materials science,Metallurgy,Chemistry,
...[+2]
Patent: 18
21
Sinopec Research Institute of Petroleum Processing
Patent: 18
22
Southeast University
Mechanical engineering,Molecular beam epitaxy,Retinitis,
...[+2]
Patent: 17
23
Central South University
Metallurgy,Solid-state battery,Lithium-ion battery,
...[+2]
Patent: 17
24
Zhejiang University
Pinyin,Educational institution,Cancer immunotherapy,
...[+2]
Patent: 17
25
Huazhong University of Science & Technology
Education development,Cell therapy,Drug repositioning,
...[+2]
Patent: 16
26
State Grid Corp. of China
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 16
27
Wuxi Weifu Environmental Protection Catalyst Co. Ltd.
Patent: 15
28
Harbin Engineering University
Pinyin,Computer science,Control theory,
...[+2]
Patent: 15
29
Guangxi Yuchai Machinery Group Co., Ltd.
Internal combustion engine,Automotive engineering,Diesel engine,
...[+1]
Patent: 15
30
China Huaneng Group Co., Ltd.
Power transmission,Hydropower,Environmental protection,
...[+2]
Patent: 14
31
Dalian Institute of Chemical Physics Chinese Academy of Sciences
Chemistry,Inorganic chemistry,Catalysis,
...[+2]
Patent: 14
32
Harbin Institute of Technology
Facial recognition system,Artificial intelligence,Science and engineering,
...[+2]
Patent: 14
33
Jiangsu University
Doctoral research,Pinyin,Materials science,
...[+2]
Patent: 14
34
CISDI Industrial Furnace Co. Ltd.
Patent: 13
35
Sinocat Environmental Technology Co., Ltd.
Automotive catalyst,Automotive engineering,Cisco Catalyst
Patent: 13
36
YanTai LongYuan Power Technology Co., Ltd.
Heat exchanger,Electronics,NOx,
...[+2]
Patent: 13
37
Dalian Maritime University
Ministry of Transport,Pinyin,Computer science,
...[+2]
Patent: 12
38
Shenwu Technology Group Co., Ltd.
Patent: 12
39
Ningbo Fotile Kitchenware Co. Ltd.
Electronics,Stove,Vacuum cleaner,
...[+2]
Patent: 12
40
Shandong Energy Group Co., Ltd.
Coal,Mining engineering,Natural resource management,
...[+2]
Patent: 11
41
Weichai Power Air Purification Technology Co., Ltd.
Fishery,Nanotechnology,Chemistry,
...[+2]
Patent: 11
42
Tongji University
Artificial intelligence,Pinyin,Structural engineering,
...[+2]
Patent: 11
43
Midea Group Co. Ltd.
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
Patent: 10
44
Guangzhou Bosma Optoelectronic Technology Co. Ltd.
Computer hardware,Electronics,Semiconductor,
...[+1]
Patent: 10
45
Shanghai University of Electric Power
Pinyin,Public university,Materials science,
...[+2]
Patent: 10
46
Zhengzhou University
Academic Training,Educational institution,Graduate degree,
...[+2]
Patent: 9
47
South China Institute of Environmental Sciences
Patent: 9
48
Northeast Forestry University
Forestry,Pinyin,Jurisdiction,
...[+2]
Patent: 9
49
Taiyuan University of Technology
Pinyin,Materials science,Chemistry,
...[+2]
Patent: 9
50
Beijing University of Chemical Technology
Chemical engineering,Biology,Pinyin,
...[+2]
Patent: 8
51
Jiangsu Kehang Environment Engineering Technology Co. Ltd.
Patent: 8
52
Wuhan University of Technology
Materials science,Composite material,Computer science,
...[+2]
Patent: 8
53
Guangdong Vanward New Electric Co., Ltd.
Smoke,Stove,Electronics,
...[+2]
Patent: 8
54
State Power Environmental Protection Research Institute
Patent: 8
55
Guodian Science & Technology Research Institute Co., Ltd.
Research development
Patent: 8
56
Dongfeng Commercial Vehicles Co., Ltd.
Truck,Automotive engineering
Patent: 8
57
Yunnan Minzu University
Ethnic group,Literature,Chemistry,
...[+2]
Patent: 8
58
South China University of Technology
Power semiconductor device,Semiconductor,Science park,
...[+2]
Patent: 8
59
Sinopec Engineering, Inc.
Petrochemical,Construction engineering
Patent: 7
60
Huaneng Power International, Inc.
Electronics,Power transmission,Electricity,
...[+2]
Patent: 7
61
Xinjiang University
Pinyin,Chemistry,Mathematics,
...[+2]
Patent: 7
62
China City Environment Protection Engineering Ltd. Co.
Patent: 7
63
Gree Electric Appliances, Inc. of Zhuhai
Electronics,Conditioners,Air conditioning,
...[+2]
Patent: 7
64
Beijing SPC Environment Protection Tech Co., Ltd.
Civil engineering,Flue-gas desulfurization,Construction engineering,
...[+2]
Patent: 7
65
Wuxi Weifu Lida Catalytic Converter Co., Ltd.
Catalytic converter,Automotive engineering,Exhaust emission,
...[+2]
Patent: 7
66
Harbin Boiler Co., Ltd.
Boiler (power generation),Recovery boiler,Automation,
...[+2]
Patent: 7
67
Qinhuangdao Glass Industry Research & Design Institute
Patent: 7
68
FAW Jiefang Automotive Co. Ltd.
Diesel engine,Manufacturing engineering,Mechanical engineering,
...[+2]
Patent: 6
69
Hangzhou Zhongbing Environmental Protection Co., Ltd.
Automation,Industrial engineering,Manufacturing engineering,
...[+2]
Patent: 6
70
Taiwan Semiconductor Manufacturing Co., Ltd.
Semiconductor,Electronics,Product design,
...[+2]
Patent: 6
71
Nanjing University of Aeronautics & Astronautics
Astronautics,Molecular sensor,Solid-state battery,
...[+2]
Patent: 6
72
Kailong High Technology Co., Ltd.
Selective catalytic reduction,Gasoline,Automotive engineering,
...[+2]
Patent: 6
73
China Shenhua Energy Co., Ltd.
Coal,Coal mining,Electricity,
...[+2]
Patent: 6
74
Xiangtan University
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 6
75
Wuhan University of Science & Technology
Materials science,Metallurgy,Computer science,
...[+2]
Patent: 6
76
Jiangsu University of Science & Technology
Package on package,Multi-chip module,Wafer-level packaging,
...[+2]
Patent: 6
77
Beijing ZHTD Environmental Protection Technology Co., Ltd.
Environmental consulting,Metallurgy,Environmental protection,
...[+2]
Patent: 5
78
University Of Jinan
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 5
79
University of Ningbo
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 5
80
Shanxi University
Pinyin,Public university,Chemistry,
...[+2]
Patent: 5
81
Hudong Heavy Machinery Co., Ltd.
Shipbuilding,Diesel engine,Gasoline,
...[+1]
Patent: 5
82
Xi'an University of Architecture & Technology
Architecture,Materials science,Structural engineering,
...[+2]
Patent: 5
83
Beijing Guodian Longyuan Environmental Engineering Co., Ltd.
Environmental protection,Flue-gas desulfurization,Air pollution,
...[+2]
Patent: 5
84
China Power Conservation & Environment Protection Co. Ltd.
Flue gas,Environmental consulting
Patent: 5
85
Guangdong Macro Gas Appliance Co., Ltd.
Air purifier,Electronics,Heating system
Patent: 5
86
Qingdao University of Science & Technology
Pinyin,Chemical industry,Chemistry,
...[+2]
Patent: 5
87
WISDRI Engineering & Research Inc. Ltd.
Patent: 5
88
Sinopec Nanjing Engineering & Construction, Inc.
Patent: 5
89
Hangzhou Dianzi University
Pinyin,High-electron-mobility transistor,Public university,
...[+2]
Patent: 5
90
Qingdao Huashijie Environment Technology Co., Ltd.
Patent: 5
91
Wuxi Huaguang Environment & Energy Group Co., Ltd.
Industrial engineering,Boiler (power generation),Supercapacitor,
...[+2]
Patent: 4
92
SINOPEC Shanghai Research Institute of Petrochemical Technolog
Patent: 4
93
Shaanxi University of Science & Technology
Materials science,Composite material,Chemistry,
...[+2]
Patent: 4
94
Henan Shenma Nylon Chemical Co., Ltd.
Chemical engineering,Cyclohexanol,Nylon 66,
...[+2]
Patent: 4
95
Zhongjing Environmental Technology Co. Ltd.
Patent: 4
96
Northeast Electric Power University
JI, CN
Pinyin,Computer science,Control theory,
...[+2]
Patent: 4
97
Jilin University
Pinyin,Coronavirus,Jurisdiction,
...[+2]
Patent: 4
98
China Energy Investment Corp., Ltd.
Coal,Coal liquefaction,Renewable energy,
...[+2]
Patent: 4
99
China Shipbuilding Power Engineering Institute Co. Ltd.
Patent: 4
100
Zhejiang Fuchunjiang Environmental Thermoelectric Co., Ltd.
Civil engineering,Power transmission,Electronics,
...[+1]
Patent: 4
Page generation time: Jun 20 2025