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Top 50 Fast-growings companies in Cam
by Most Patent Filing In 3 Years in the Japan in 2021

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 2021, 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: 112
2
Patent: 105
3
Patent: 90
4
Patent: 67
5
Patent: 62
6
Patent: 45
7
Patent: 42
8
Patent: 39
9
Patent: 38
10
Patent: 33
11
Patent: 33
12
Patent: 33
13
Patent: 29
14
Patent: 27
15
Patent: 27
16
Patent: 26
17
Patent: 24
18
Patent: 22
19
Patent: 22
20
Patent: 21
21
Automation,Electronics,Health care,
...[+2]
Patent: 21
22
Patent: 21
23
Patent: 19
24
Patent: 19
25
Microscope,Photography,Motion capture,
...[+2]
Patent: 18
26
Digital printing,Systems design,Sales management,
...[+1]
Patent: 18
27
Patent: 18
28
Patent: 18
29
Patent: 17
30
Patent: 16
31
Patent: 15
32
Computer hardware,Electronics,Chesapeake bay,
...[+2]
Patent: 15
33
Patent: 14
34
Patent: 14
35
Patent: 14
36
Patent: 14
37
Patent: 14
38
Patent: 14
39
Patent: 14
40
Patent: 14
41
Patent: 13
42
Patent: 13
43
Patent: 13
44
Patent: 12
45
Patent: 12
46
Pencil (mathematics),Peripheral,School supplies,
...[+2]
Patent: 12
47
Patent: 11
48
Patent: 11
49
Fishing,sports equipment,Fast-moving consumer goods,
...[+2]
Patent: 11
50
Patent: 11
Page generation time: Apr 25 2025