With the analysis among 161 patents, we discovered top 89 key players by total patent application. Hinode Ltd., Powerchina Guiyang Engineering Corp. Ltd., TAISEI Corp. are dominant in this area. They take 18.01% of the total patent filing.
Fukuoka-ken, Japan
Patent: 11
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 10
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 6
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 6
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 4
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 4
Huaneng Long Kaikai Hydropower Co Ltd.
Yunnan Sheng, China
Patent: 4
Dornier Technologie Gmbh & Co. Kg
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With the analysis among related 43 patents applied in the last 5 years. We discover 30 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Huaneng Long Kaikai Hydropower Co Ltd., Zhongshui North Survey, Design and Research Co., Ltd. take 23.26% of patent filing during this period.
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 4
Huaneng Long Kaikai Hydropower Co Ltd.
Yunnan Sheng, China
Patent: 4
Zhongshui North Survey, Design and Research Co., Ltd.
Tianjin Shi, China
Patent: 2
Jiangsu Nanshui Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Nanjing Institute of Water Conservancy and Hydrology Automation, Ministry of Water Resources
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Patent: 2
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 2
Liaoning Yitong Construction Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 1
Qingdao Institute of Marine Geology
Shandong Sheng, China
Patent: 1
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 1
With the analysis among related 43 patents in last 5 years, we discover 23 new entrants. Huaneng Long Kaikai Hydropower Co Ltd., Zhongshui North Survey, Design and Research Co., Ltd., Jiangsu Nanshui Technology Co., Ltd. are the most active new entrants in this area.
Huaneng Long Kaikai Hydropower Co Ltd.
Yunnan Sheng, China
Patent: 4
Zhongshui North Survey, Design and Research Co., Ltd.
Tianjin Shi, China
Patent: 2
Jiangsu Nanshui Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Nanjing Institute of Water Conservancy and Hydrology Automation, Ministry of Water Resources
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Patent: 2
Liaoning Yitong Construction Engineering Co., Ltd.
Liaoning Sheng, China
Patent: 1
Xinjiang Xinshui Kemei Environmental Protection Technology Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 1
Qingdao Institute of Marine Geology
Shandong Sheng, China
Patent: 1
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 1
CPI Mengdong Energy Group Co. Ltd.
Nei Mongol Zizhiqu, China
Patent: 1
Xi'an Thermal Power Research Institute Co., Ltd.
Shaanxi Sheng, China
Patent: 1
With the analysis among 32 patents, we discovered top 12 universities and scientific research institutions by total patent application. Shandong University, Hohai University, Xi'an University of Technology are dominant in this area. They take 25.00% of the total patent filing.
Shandong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Xi'an University of Technology
Shaanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
North China Electric Power University
Beijing Shi, China
Patent: 1
Railway Technical Research Institute
Southwest University of Science & Technology
Sichuan Sheng, China
Patent: 1
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 1
Ocean University of China
Shandong Sheng, China
Patent: 1