With the analysis among 439 patents, we discovered top 149 key players by total patent application. Shimizu Corp., Ohbayashi Corp., Kajima Corp. are dominant in this area. They take 21.18% of the total patent filing.
Tokyo-to, Japan
Patent: 34
Jiangsu Sheng, China
Patent: 30
Jiangsu Sheng, China
Patent: 29
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 17
Texas, United States
Patent: 16
Tokyo-to, Japan
Patent: 13
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 11
Nagano-ken, Japan
Patent: 10
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 20 patents applied in the last 5 years. We discover 10 most active companies in this area. The fast-growing NTT Facilities, Inc., China Institute of Atomic Energy, Toyota Motor Corp. take 15.00% of patent filing during this period.
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Nanjing Zhishui Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 20 patents in last 5 years, we discover 4 new entrants. Climaveneta Chatunion Refrigeration Equipment (Shanghai), Toda Corp., Nanjing Zhishui Environmental Technology Co., Ltd. are the most active new entrants in this area.
Shanghai Shi, China
Patent: 1
Nanjing Zhishui Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 35 patents, we discovered top 12 universities and scientific research institutions by total patent application. University of Tokyo, Muroran Institute of Technology, Tsinghua University are dominant in this area. They take 37.14% of the total patent filing.
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Kanagawa-ken, Japan
Patent: 1