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Top 50 Fast-growings companies in Alternator
by Most Patent Filing In 5 Years in the Japan in 2020

The Alternator top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filing In 5 Years Alternator 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.
#
Company Name
Region
Tech Topics
Total
1
Patent: 48
2
Patent: 25
3
Patent: 25
4
Patent: 24
5
Patent: 23
6
Patent: 23
7
Patent: 23
8
Patent: 23
9
Patent: 19
10
Patent: 18
11
Patent: 12
12
Patent: 10
13
Patent: 9
14
Patent: 9
15
Patent: 7
16
Patent: 7
17
Patent: 7
18
Patent: 7
19
Patent: 6
20
Patent: 5
21
Patent: 4
22
Patent: 4
23
Patent: 3
24
Patent: 3
25
Patent: 3
26
Patent: 3
27
Patent: 3
28
Patent: 3
29
Patent: 2
30
Patent: 2
31
Patent: 2
32
Patent: 2
33
Patent: 2
34
Patent: 2
35
Patent: 1
36
Patent: 1
37
Patent: 1
38
Patent: 1
39
Patent: 1
40
Patent: 1
41
Patent: 1
42
Public transport,Facility management,Diesel locomotive,
...[+2]
Patent: 1
43
Patent: 1
44
Patent: 1
45
Patent: 1
46
Kaisei Co., Ltd.
Prescription drug,Health care,Pharmacy,
...[+1]
Patent: 1
47
Patent: 1
48
Patent: 1
49
Patent: 1
50
Patent: 1
Page generation time: Jun 26 2025