With the analysis among 37 patents, we discovered top 32 key players by total patent application. Hitachi Ltd., Mitsubishi Electric Corp., Kajima Corp. are dominant in this area. They take 10.81% of the total patent filing.
Jiangsu Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
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With the analysis among 4 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Shanghai Shi, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1