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Top 20 Fast-growings companies in Alternator
by Most Patent Filing In 3 Years in the Japan in 2019

The Alternator top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filing In 3 Years Alternator Fast-growings in the Japan. 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.
#
Company Name
Region
Tech Topics
Total
1
Patent: 25
2
Patent: 23
3
Patent: 17
4
Patent: 17
5
Patent: 17
6
Patent: 17
7
Patent: 15
8
Patent: 12
9
Patent: 11
10
Patent: 10
11
Patent: 9
12
Patent: 8
13
Patent: 7
14
Patent: 7
15
Patent: 5
16
Patent: 5
17
Patent: 5
18
Patent: 4
19
Patent: 4
20
Patent: 3
Page generation time: Jun 26 2025