With the analysis among 2,118 patents, we discovered top 472 key players by total patent application. Wuhan Shengyu Drainage System Co., Ltd., Weifang Yourong Industrial Co., Ltd., Powerchina Guiyang Engineering Corp. Ltd. are dominant in this area. They take 2.12% of the total patent filing.
Wuhan Shengyu Drainage System Co., Ltd.
Hubei Sheng, China
Patent: 18
Weifang Yourong Industrial Co., Ltd.
Shandong Sheng, China
Patent: 15
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 12
Suzhou Dehua Ecological Environment Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 11
Shandong Shengwei Yuanlin Technology Co. Ltd.
Shandong Sheng, China
Patent: 9
Powerchina Chengdu Engineering Corp. Ltd.
Sichuan Sheng, China
Patent: 8
Guangzhou Municipal Engineering Design & Research Institute
Guangdong Sheng, China
Patent: 8
Huatian Engineering & Technology Corp.
Anhui Sheng, China
Patent: 8
Yunnan Dahongshan Tunnel Co. Ltd.
Yunnan Sheng, China
Patent: 8
Beijing Orient Landscape & Environment Co., Ltd.
Beijing Shi, China
Patent: 7
With the analysis among 4 patents, we discovered top 4 start-ups by total patent application. Beijing Baidu Netcom Science & Technology Co., Ltd., Hangzhou Taipu Automobile Technology Co., Ltd, Cameron Solutions, Inc. are active in this area.
Beijing Baidu Netcom Science & Technology Co., Ltd.
Beijing Shi, China
Patent: 1
Hangzhou Taipu Automobile Technology Co., Ltd
Zhejiang Sheng, China
Patent: 1
Arizona, United States
Patent: 1
With the analysis among related 781 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, Sichuan University, Shenyang Jianzhu University take 2.94% of patent filing during this period.
Jiangsu Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 7
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 6
China Institute of Water Resources and Hydropower Research
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Patent: 6
Tianjin Shi, China
Patent: 6
North China University of Water Conservancy and Hydropower
Henan Sheng, China
Patent: 5
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 4
Shanghai Municipal Engineering Design Inst (Group) Co., Ltd.
Shanghai Shi, China
Patent: 4
Shanghai Bibo Water Design R&D Center
Shanghai Shi, China
Patent: 4
With the analysis among related 781 patents in last 5 years, we discover 396 new entrants. Anhui Jianzhu University, Shanghai Bibo Water Design R&D Center, Qingdao University of Technology are the most active new entrants in this area.
Anhui Sheng, China
Patent: 4
Shanghai Bibo Water Design R&D Center
Shanghai Shi, China
Patent: 4
Qingdao University of Technology
Shandong Sheng, China
Patent: 3
Dalian Dituo Environmental Technology Co., Ltd.
Liaoning Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Beijing Hydraulic and Environmental Geological Exploration Institute of China Coal Geology Group Co., Ltd.
Beijing Shi, China
Patent: 3
MCC North (Dalian) Engineering Technology Co., Ltd.
Liaoning Sheng, China
Patent: 3
Institute of Karst Geology, Chinese Academy of Geological Sciences
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Patent: 3
Shanxi Aquatic Breeding and Breeding Scientific Experiment Center
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Patent: 2
Jinling Institute of Technology
Jiangsu Sheng, China
Patent: 2
With the analysis among 945 patents, we discovered top 182 universities and scientific research institutions by total patent application. Hohai University, Sichuan University, Tianjin University are dominant in this area. They take 8.89% of the total patent filing.
Jiangsu Sheng, China
Patent: 38
Sichuan Sheng, China
Patent: 28
Tianjin Shi, China
Patent: 18
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 17
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 14
Chongqing Shi, China
Patent: 13
Shandong Sheng, China
Patent: 12
Shanghai Shi, China
Patent: 12
Zhejiang Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 11