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Top 100 Fast-growings companies in Cam
by Most Patent Filing In 5 Years in the China in 2022

The Cam top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filing In 5 Years Cam Fast-growings in the China. 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.
A cam is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion. It is often a part of a rotating wheel (e.g. an eccentric wheel) or shaft (e.g. a cylinder with an irregular shape) that strikes a lever at one or more points on its circular path. The cam can be a simple tooth, as is used to deliver pulses of power to a steam hammer, for example, or an eccentric disc or other shape that produces a smooth reciprocating (back and forth) motion in the follower, which is a lever making contact with the cam.
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Company Name
Region
Tech Topics
Total
1
Guangxi Yuchai Machinery Group Co., Ltd.
Internal combustion engine,Automotive engineering,Diesel engine,
...[+1]
Patent: 94
2
Jilin University
Pinyin,Coronavirus,Jurisdiction,
...[+2]
Patent: 83
3
Weichai Power Co., Ltd.
Diesel engine,Spark plug,Gasoline,
...[+2]
Patent: 77
4
Gree Electric Appliances, Inc. of Zhuhai
Electronics,Conditioners,Air conditioning,
...[+2]
Patent: 75
5
State Grid Corp. of China
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 63
6
Zhejiang University of Technology
Pinyin,Mainland China,Chemistry,
...[+2]
Patent: 63
7
Northeast Agricultural University
Pinyin,Biology,Chemistry,
...[+2]
Patent: 53
8
Dalian University of Technology
Revocation,Materials science,Chemistry,
...[+2]
Patent: 51
9
Zhejiang Sci-Tech University
Pinyin,Materials science,Chemistry,
...[+2]
Patent: 47
10
Shaanxi University of Science & Technology
Materials science,Composite material,Chemistry,
...[+2]
Patent: 44
11
Jack Technology Co., Ltd.
Interlock,Product design,Textile (markup language)
Patent: 43
12
FAW Jiefang Automotive Co. Ltd.
Diesel engine,Manufacturing engineering,Mechanical engineering,
...[+2]
Patent: 39
13
Nanjing Forestry University
Pinyin,Forestry,Chemistry,
...[+2]
Patent: 38
14
Southwest Petroleum University
Data analysis,Petroleum engineering,Chemistry,
...[+2]
Patent: 36
15
Haier Smart Home Co., Ltd.
Conditioners,Electronics,Refrigeration,
...[+2]
Patent: 36
16
Xiangtan University
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 35
17
Harbin University of Science & Technology
Pinyin,Materials science,Composite material,
...[+2]
Patent: 34
18
The First Affiliated Hospital of Zhengzhou University
Cell therapy,Genetic engineering,Messenger RNA,
...[+2]
Patent: 33
19
Zhejiang University
Pinyin,Educational institution,Cancer immunotherapy,
...[+2]
Patent: 33
20
Anhui Science & Technology University
Patent: 32
21
Zhejiang Geely Holding Group Co., Ltd.
Electric vehicle,Automotive engineering,Plug in hybrid electric vehicle,
...[+2]
Patent: 31
22
Hangzhou Dianzi University
Pinyin,High-electron-mobility transistor,Public university,
...[+2]
Patent: 31
23
Xiamen Make Security Technology Co., Ltd.
Computer hardware,Information technology management
Patent: 30
24
Zhejiang Normal University
National park,Public university,Mathematics,
...[+2]
Patent: 30
25
Northwest A&F University
Forestry,Agriculture,Biology,
...[+2]
Patent: 29
26
Yanshan University
Pinyin,Materials science,Control theory,
...[+2]
Patent: 29
27
Shandong University of Science & Technology
Mathematics,Computer science,Materials science,
...[+2]
Patent: 29
28
Anhui Jianghuai Automobile Group Corp. Ltd.
Chassis,Automotive engineering,Truck,
...[+2]
Patent: 28
29
Beijing University of Technology
International standard,MicroLED,Vocational education,
...[+2]
Patent: 28
30
University Of Jinan
Pinyin,Chemistry,Materials science,
...[+2]
Patent: 27
31
Jiangsu Newamstar Packaging Machinery Co., Ltd.
Manufacturing engineering,Industrial engineering,Secondary Packaging,
...[+2]
Patent: 27
32
Jiangsu University
Doctoral research,Pinyin,Materials science,
...[+2]
Patent: 27
33
Jiangnan University
Pinyin,Chemistry,Biochemistry,
...[+2]
Patent: 26
34
Qingdao University of Science & Technology
Pinyin,Chemical industry,Chemistry,
...[+2]
Patent: 26
35
Shanghai University of Engineering Science
Vocational education,Public university,Materials science,
...[+2]
Patent: 26
36
Mianyang Fulin Precision Co., Ltd.
Gasoline,Automotive engineering,Electronics,
...[+2]
Patent: 25
37
Shenzhen Chengjie Intelligent Equipment Co., Ltd.
Capacitor,Electronics,Lithium battery
Patent: 25
38
Hangzhou Sankyo Machinery Co. Ltd.
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 25
39
Weichai Heavy Machinery Co., Ltd.
Shipbuilding,Gasoline,Automotive engineering,
...[+2]
Patent: 24
40
Qixing Intelligent Technology Co Ltd.
Patent: 24
41
Tsinghua University
Western culture,TUTOR,Silicon carbide,
...[+2]
Patent: 23
42
Great Wall Motor Co., Ltd.
HAVAL,Sport utility vehicle,Automotive engineering,
...[+2]
Patent: 23
43
Shanghai Liangxin Electrical Co., Ltd.
Circuit breaker,Power transmission,Electronics,
...[+2]
Patent: 23
44
China Three Gorges University
Pinyin,Mathematics,Geotechnical engineering,
...[+2]
Patent: 22
45
Huazhong University of Science & Technology
Education development,Cell therapy,Drug repositioning,
...[+2]
Patent: 22
46
Nanjing University of Aeronautics & Astronautics
Astronautics,Molecular sensor,Solid-state battery,
...[+2]
Patent: 22
47
Yangzhou University
Pinyin,Biology,Chemistry,
...[+2]
Patent: 22
48
Harbin Engineering University
Pinyin,Computer science,Control theory,
...[+2]
Patent: 22
49
Suzhou Harmontronics Automation Technology Co., Ltd.
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
Patent: 22
50
Chery Automobile Co., Ltd.
Pinyin,Automotive engineering,Electric vehicle,
...[+2]
Patent: 21
51
Zhejiang Qianjiang Motorcycle Co., Ltd.
Automotive engineering,Electronics,Gasoline,
...[+2]
Patent: 21
52
Wuhan University of Technology
Materials science,Composite material,Computer science,
...[+2]
Patent: 21
53
Hangzhou Amphenol Phoenix Telecom Parts Co., Ltd.
Semiconductor,Electronics,Electronic component
Patent: 21
54
Chongqing Changan Automobile Co. Ltd.
Product design,Automotive engineering,Spare part,
...[+2]
Patent: 21
55
Guangdong Meizhi Precision Manufacturing Co., Ltd.
Patent: 21
56
China Agricultural University
Light therapy,Agricultural engineering,Veterinary medicine,
...[+2]
Patent: 21
57
Kunming University of Science & Technology
Materials science,Metallurgy,Chemistry,
...[+2]
Patent: 21
58
Hefei University of Technology
Management science,Pinyin,Computer science,
...[+2]
Patent: 21
59
Chang'an University
Classical Chinese,Social practice,Pinyin,
...[+2]
Patent: 20
60
Dongfeng Motor Corp.
Automotive engineering,X-ray fluorescence,X-ray,
...[+2]
Patent: 20
61
Harbin Institute of Technology
Facial recognition system,Artificial intelligence,Science and engineering,
...[+2]
Patent: 20
62
Changzhou College of Information Technology
Information technology
Patent: 19
63
Yangtze University
Chemistry,Biology,Computer science,
...[+2]
Patent: 19
64
Hunan University of Technology
Pinyin,Materials science,Computer science,
...[+2]
Patent: 19
65
vivo Mobile Communication Co., Ltd.
5G,Telecommunications,Wireless
Patent: 19
66
Chongqing Hongjiang Machinery Co., Ltd.
Patent: 19
67
South China University of Technology
Power semiconductor device,Semiconductor,Science park,
...[+2]
Patent: 19
68
Nanjing Kangni Mechanical & Electrical Co., Ltd.
Cable harness,Interior product,Metal,
...[+2]
Patent: 18
69
Shaanxi University of Technology
Educational institution,Chemistry,Materials science,
...[+2]
Patent: 18
70
China University of Petroleum (East China)
Petroleum,Petrochemical,Data analysis,
...[+2]
Patent: 18
71
Tianjin University
Radio-frequency identification,Coronavirus disease 2019 (COVID-19),Pinyin,
...[+2]
Patent: 18
72
Xi'an Institute of Optics & Precision Mechanics of Cas
Patent: 18
73
Han's Laser Technology Industry Group Co., Ltd.
Laser,Computer hardware,Electronics,
...[+2]
Patent: 18
74
Loncin Motor Co., Ltd.
Turbocharger,Gasoline,Automotive engineering,
...[+2]
Patent: 18
75
Guangzhou Automobile Group Co., Ltd.
Automotive engineering,Sport utility vehicle,Electronic toll collection,
...[+2]
Patent: 18
76
Dongfeng Commercial Vehicles Co., Ltd.
Truck,Automotive engineering
Patent: 18
77
Japhl Powertrain Systems Co., Ltd.
Automotive engineering
Patent: 18
78
Qingdao University of Technology
Patent: 17
79
Xihua University
Computer science,Materials science,Chemistry,
...[+2]
Patent: 17
80
Sanyang Motor Co., Ltd.
Automotive engineering,Vehicle brake
Patent: 17
81
Jiangmen Dachangjiang Group Co., Ltd.
Automotive engineering
Patent: 17
82
Lanzhou Jiaotong University
Railway engineering,Graduate degree,Simulation,
...[+2]
Patent: 17
83
Northeast Petroleum University
Petroleum engineering,Materials science,Chemistry,
...[+2]
Patent: 17
84
SAIC-GM-Wuling Automobile Co., Ltd.
Automotive engineering,Semi-trailer,Truck,
...[+2]
Patent: 16
85
Fuzhou University
Pinyin,MicroLED,Solid-state battery,
...[+2]
Patent: 16
86
Northeast Forestry University
Forestry,Pinyin,Jurisdiction,
...[+2]
Patent: 16
87
Pinggao Group Co., Ltd.
Semiconductor,Ultra high voltage,Electronics,
...[+2]
Patent: 16
88
PetroChina Co., Ltd.
Natural gas,Petroleum,Lubricant,
...[+2]
Patent: 16
89
China University of Mining & Technology
Coal mining,Pinyin,Coal,
...[+2]
Patent: 16
90
BYD Co., Ltd.
Handset,Automotive engineering,Electric vehicle,
...[+2]
Patent: 16
91
Shandong University of Technology
Pinyin,Materials science,Chemistry,
...[+2]
Patent: 15
92
Wuhan University
Knowledge management,Computer science,Chemistry,
...[+2]
Patent: 15
93
Midea Group Co. Ltd.
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
Patent: 15
94
Xi'an Jiaotong University
Materials science,Computer science,Composite material,
...[+2]
Patent: 15
95
Chongqing Weichai Engine Factory
Patent: 15
96
Hewlett-Packard Development Co.
Personal computer,Computer hardware,Graphics processing unit,
...[+2]
Patent: 15
97
Inner Mongolia University of Technology
Materials science,Composite material,Chemistry,
...[+2]
Patent: 15
98
Sinopec Oilfield Service Corp.
Drilling engineering,Petroleum industry,Natural resource management,
...[+2]
Patent: 15
99
SAIC Motor Corp. Ltd.
Automotive design,Automotive engineering,Automotive industry,
...[+2]
Patent: 15
100
Ningbo Cixing Co., Ltd.
Manufacturing engineering,Industry 4.0,Control system,
...[+2]
Patent: 15
Page generation time: Jul 25 2025