With the analysis among 226 patents, we discovered top 166 key players by total patent application. Air Products & Chemicals, Inc., Powerchina Chengdu Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd. are dominant in this area. They take 9.29% of the total patent filing.
Air Products & Chemicals, Inc.
Pennsylvania, United States
Patent: 10
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 5
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 5
Kanagawa-ken, Japan
Patent: 4
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 4
Mitsubishi Heavy Industries, Ltd.
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Fujian Water Conservancy and Hydropower Survey, Design and Research Institute Co., Ltd.
Fujian Sheng, China
Patent: 3
Zhejiang Design Institute of Water Conservancy and Hydroelectric Power
Zhejiang Sheng, China
Patent: 3
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With the analysis among related 189 patents applied in the last 5 years. We discover 138 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, Hohai University, Powerchina Chengdu Engineering Corp. Ltd. take 9.52% of patent filing during this period.
China Institute of Water Resources and Hydropower Research
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Patent: 6
Jiangsu Sheng, China
Patent: 6
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 5
ChangJiang Survey, Planning, Design and Research Co., Ltd
Hubei Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Nanjing Hydraulic Research Institute
Jiangsu Sheng, China
Patent: 3
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 3
Hubei Water Resources & Hydropwr Planning Survey & Design Inst
Hubei Sheng, China
Patent: 2
With the analysis among related 189 patents in last 5 years, we discover 128 new entrants. Powerchina Chengdu Engineering Corp. Ltd., Powerchina Huadong Engineering Corp. Ltd., Sichuan University are the most active new entrants in this area.
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 6
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 4
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Hubei Water Resources & Hydropwr Planning Survey & Design Inst
Hubei Sheng, China
Patent: 2
Zhejiang Gongshang University
Zhejiang Sheng, China
Patent: 2
Sinopec Chongqing Natural Gas Pipeline Co. Ltd.
Chongqing Shi, China
Patent: 2
Shanghai Municipal Engineering Design Inst (Group) Co., Ltd.
Shanghai Shi, China
Patent: 2
Jiangsu College of Engineering & Technology
Jiangsu Sheng, China
Patent: 2
China Construction Eighth Engineering Division Corp. Ltd.
Shanghai Shi, China
Patent: 2
With the analysis among 112 patents, we discovered top 32 universities and scientific research institutions by total patent application. Hohai University, Sichuan University, Zhejiang Gongshang University are dominant in this area. They take 25.89% of the total patent filing.
Jiangsu Sheng, China
Patent: 15
Sichuan Sheng, China
Patent: 4
Zhejiang Gongshang University
Zhejiang Sheng, China
Patent: 2
North China Electric Power University
Beijing Shi, China
Patent: 2
Jiangsu College of Engineering & Technology
Jiangsu Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Colorado, United States
Patent: 1
Hefei University of Technology
Anhui Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Sichuan Agricultural University
Sichuan Sheng, China
Patent: 1