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Top 100 Fast-growings companies in Cam
by Most Patent Filing In 5 Years in the China in 2019

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 2019, 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
Electric vehicle,Power grid,Total asset,
...[+2]
Patent: 149
2
Pinyin,Coronavirus,Jurisdiction,
...[+2]
Patent: 112
3
Patent: 88
4
Patent: 85
5
Patent: 77
6
Patent: 71
7
Patent: 68
8
Patent: 68
9
Patent: 60
10
Patent: 60
11
Patent: 58
12
National park,Public university,Mathematics,
...[+2]
Patent: 58
13
Patent: 54
14
Patent: 51
15
Classical Chinese,Social practice,Pinyin,
...[+2]
Patent: 51
16
Patent: 50
17
Supervisor,Vocational education,Chemistry,
...[+2]
Patent: 48
18
Interlock,Product design,Textile (markup language)
Patent: 48
19
Pinyin,Mainland China,Chemistry,
...[+2]
Patent: 48
20
Patent: 47
21
Patent: 47
22
Patent: 46
23
Pinyin,Educational institution,Cancer immunotherapy,
...[+2]
Patent: 45
24
Patent: 44
25
Pinyin,Mathematics,Geotechnical engineering,
...[+2]
Patent: 43
26
Patent: 43
27
Patent: 41
28
Patent: 40
29
Patent: 40
30
Patent: 40
31
Doctoral research,Pinyin,Materials science,
...[+2]
Patent: 40
32
Patent: 39
33
Patent: 38
34
Patent: 38
35
Patent: 38
36
International standard,MicroLED,Vocational education,
...[+2]
Patent: 38
37
Patent: 38
38
Patent: 37
39
Chinese education,Pinyin,Public university,
...[+2]
Patent: 37
40
Patent: 36
41
Patent: 36
42
Patent: 35
43
Patent: 34
44
Patent: 34
45
Patent: 32
46
Patent: 31
47
Patent: 30
48
Patent: 30
49
Patent: 29
50
Education development,Cell therapy,Drug repositioning,
...[+2]
Patent: 29
51
Patent: 29
52
Vocational education,Public university,Materials science,
...[+2]
Patent: 29
53
The Internet,Simulation,Graduate degree,
...[+2]
Patent: 29
54
Patent: 28
55
Pinyin,Public university,Materials science,
...[+2]
Patent: 28
56
Patent: 28
57
Patent: 27
58
Pinyin,Public university,Coronavirus,
...[+2]
Patent: 27
59
Patent: 27
60
Patent: 27
61
Pinyin,High-electron-mobility transistor,Public university,
...[+2]
Patent: 27
62
Patent: 27
63
Patent: 26
64
Patent: 25
65
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
Patent: 25
66
Patent: 25
67
Patent: 25
68
Patent: 25
69
Patent: 25
70
Patent: 25
71
Patent: 25
72
Patent: 24
73
Patent: 23
74
Pinyin,Public university,Chemistry,
...[+2]
Patent: 23
75
Patent: 23
76
National security,BCG vaccine,HIV vaccine,
...[+2]
Patent: 23
77
Patent: 23
78
Patent: 23
79
Patent: 22
80
Western culture,TUTOR,Silicon carbide,
...[+2]
Patent: 22
81
Patent: 22
82
Patent: 22
83
Patent: 21
84
Patent: 21
85
Patent: 21
86
Patent: 21
87
Patent: 21
88
Aerospace,Global workforce,Photography,
...[+2]
Patent: 21
89
Patent: 21
90
Patent: 21
91
Patent: 21
92
Patent: 21
93
Patent: 21
94
Patent: 20
95
Patent: 20
96
Patent: 20
97
Patent: 20
98
Patent: 20
99
Patent: 20
100
The Internet,Academic Training,Educational institution,
...[+2]
Patent: 19
Page generation time: Apr 25 2025