With the analysis among 341 patents, we discovered top 201 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd., TAISEI Corp. are dominant in this area. They take 15.25% of the total patent filing.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 29
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 12
Tokyo-to, Japan
Patent: 11
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 11
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 8
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 8
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 7
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 1
With the analysis among related 197 patents applied in the last 5 years. We discover 122 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Powerchina Chengdu Engineering Corp. Ltd., Powerchina Zhongnan Engineering Corp. Ltd. take 23.35% of patent filing during this period.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 28
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 10
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 8
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 7
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 7
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 7
Zhejiang Design Institute of Water Conservancy and Hydroelectric Power
Zhejiang Sheng, China
Patent: 6
Sinohydro Bureau 7 Co. Ltd.
Sichuan Sheng, China
Patent: 6
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 5
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 4
With the analysis among related 197 patents in last 5 years, we discover 102 new entrants. Powerchina Zhongnan Engineering Corp. Ltd., Powerchina Xibei Engineering Corp. Ltd., Zhejiang Design Institute of Water Conservancy and Hydroelectric Power are the most active new entrants in this area.
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 8
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 7
Zhejiang Design Institute of Water Conservancy and Hydroelectric Power
Zhejiang Sheng, China
Patent: 6
Zhejiang East China Engineering Construction Management Co., Ltd.
Zhejiang Sheng, China
Patent: 4
State Grid Xinyuan Co., Ltd.
Beijing Shi, China
Patent: 4
Sinohydro Bureau 14 Co., Ltd.
Yunnan Sheng, China
Patent: 3
China Construction First Bureau Group North China Construction Co., Ltd.
Tianjin Shi, China
Patent: 3
Changjiang Geotechnical Engineering Corp.
Hubei Sheng, China
Patent: 3
China Construction First Building (Group) Corp. Ltd.
Beijing Shi, China
Patent: 3
China Railway Changjiang Transportation Design Group Co Ltd.
Chongqing Shi, China
Patent: 3
With the analysis among 57 patents, we discovered top 20 universities and scientific research institutions by total patent application. China University of Geosciences Beijing, China University of Mining & Technology, Northwest A&F University are dominant in this area. They take 36.84% of the total patent filing.
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 8
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Beijing Jiaotong University
Beijing Shi, China
Patent: 1
Harbin Engineering University
Heilongjiang Sheng, China
Patent: 1
Peoples' Friendship University of Russia
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Patent: 1
Guangdong Sheng, China
Patent: 1
Beijing Forestry University
Beijing Shi, China
Patent: 1
Wuhan University of Science & Technology
Hubei Sheng, China
Patent: 1