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Top 50 Fast-growings companies in Cam
by Most Patent Filing In 3 Years in the Japan in 2020

The Cam top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 3 Years Cam 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.
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
Patent: 167
2
Patent: 159
3
Patent: 124
4
Patent: 116
5
Patent: 88
6
Patent: 58
7
Patent: 52
8
Patent: 51
9
Patent: 49
10
Patent: 48
11
Patent: 46
12
Patent: 44
13
Patent: 39
14
Patent: 35
15
Patent: 33
16
Patent: 33
17
Patent: 32
18
Patent: 32
19
Patent: 31
20
Patent: 31
21
Patent: 31
22
Patent: 31
23
Patent: 29
24
Patent: 29
25
Patent: 28
26
Microscope,Photography,Motion capture,
...[+2]
Patent: 27
27
Patent: 27
28
Patent: 27
29
Patent: 25
30
Patent: 23
31
Patent: 22
32
Automation,Electronics,Health care,
...[+2]
Patent: 22
33
Patent: 22
34
Patent: 21
35
Patent: 21
36
Patent: 21
37
Patent: 20
38
Patent: 19
39
Patent: 19
40
Patent: 18
41
Patent: 18
42
Digital media,Data visualization,Thermal paper,
...[+2]
Patent: 17
43
Patent: 16
44
Patent: 16
45
Patent: 16
46
Patent: 16
47
Patent: 15
48
Fishing,sports equipment,Fast-moving consumer goods,
...[+2]
Patent: 15
49
Patent: 15
50
Patent: 15
Page generation time: Jun 26 2025