With the analysis among 55 patents, we discovered top 20 key players by total patent application. Ceek Enterprises, Inc., Hitachi Channel Solutions, Corp., Hitachi Ltd. are dominant in this area. They take 50.91% of the total patent filing.
Massachusetts, United States
Patent: 7
Aichi-ken, Japan
Patent: 4
California, United States
Patent: 2
Shizuoka-ken, Japan
Patent: 1
The Nippon Signal Co., Ltd.
Tianjin Shi, China
Patent: 1
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With the analysis among related 2 patents applied in the last 5 years. We discover 1 most active companies in this area.
Massachusetts, United States
Patent: 2
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