With the analysis among 315 patents, we discovered top 210 key players by total patent application. Hitachi Ltd., Zhejiang Furuipu Building Materials Import & Export Co., Ltd., EIDP, Inc. are dominant in this area. They take 5.08% of the total patent filing.
Zhejiang Sheng, China
Patent: 5
Delaware, United States
Patent: 4
Zhejiang Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Connecticut, United States
Patent: 1
With the analysis among related 107 patents applied in the last 5 years. We discover 88 most active companies in this area. The fast-growing Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, North China University of Water Conservancy and Hydropower, Chinese Research Academy of Environmental Sciences take 8.41% of patent filing during this period.
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Patent: 3
Henan Sheng, China
Patent: 3
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Patent: 2
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Patent: 2
Anhui Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among related 107 patents in last 5 years, we discover 72 new entrants. North China University of Water Conservancy and Hydropower, Hefei Institute of Public Security, Tsinghua University, Anhui Zezhong Safety Technology Co., Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 3
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Patent: 2
Anhui Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 1
Anqiu Chengnanbu Hydropower Station
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Patent: 1
Henan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 220 patents, we discovered top 65 universities and scientific research institutions by total patent application. Beijing Normal University, Hohai University, Tianjin University are dominant in this area. They take 13.64% of the total patent filing.
Beijing Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Tianjin Shi, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3