With the analysis among 49 patents, we discovered top 35 key players by total patent application. Nifco, Inc., JAMCO Corp., Kawaguchi Giken KK are dominant in this area. They take 12.24% of the total patent filing.
Kanagawa-ken, Japan
Patent: 2
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With the analysis among related 5 patents applied in the last 5 years. We discover 2 most active companies in this area.
Hunan Sheng, China
Patent: 1
With the analysis among related 5 patents in last 5 years, we discover 2 new entrants.
Hunan Sheng, China
Patent: 1
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