With the analysis among 398 patents, we discovered top 181 key players by total patent application. Mitsubishi Electric Corp., Hitachi Ltd., Matsushita Electric Works Co. Ltd. are dominant in this area. They take 7.29% of the total patent filing.
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 11
New South Wales, Australia
Patent: 5
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With the analysis among related 2 patents applied in the last 5 years. We discover 2 most active companies in this area.
Shanghai Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 2 patents in last 5 years, we discover 2 new entrants.
Shanghai Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
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