With the analysis among 7,029 patents, we discovered top 469 key players by total patent application. ACO Severin Ahlmann GmbH & Co. KG, Philips, Procter & Gamble Co. are dominant in this area. They take 2.19% of the total patent filing.
ACO Severin Ahlmann GmbH & Co. KG
Schleswig-Holstein, Germany
Patent: 67
Ohio, United States
Patent: 43
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 31
Texas, United States
Patent: 29
Qingdao Sci-Inno Blue New Energy Lo Ltd.
Shandong Sheng, China
Patent: 26
Baden-Württemberg, Germany
Patent: 23
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 19
With the analysis among 16 patents, we discovered top 9 start-ups by total patent application. Deep Isolation, Inc., Dezhong Technology, Wellthy Corp. are active in this area.
California, United States
Patent: 6
Guangdong Sheng, China
Patent: 2
Beijing Yunji Technology Co. Ltd.
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
California, United States
Patent: 1
Groningen, Netherlands
Patent: 1
With the analysis among related 3,944 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, China Institute of Water Resources and Hydropower Research, Tongji University take 2.36% of patent filing during this period.
Jiangsu Sheng, China
Patent: 41
China Institute of Water Resources and Hydropower Research
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Patent: 33
Shanghai Shi, China
Patent: 19
Water Resources Research Institute of Shandong Province
Chinese Research Academy of Environmental Sciences
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
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Patent: 13
Powerchina Huadong Engineering Corp. Ltd.
Zhejiang Sheng, China
Patent: 12
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 12
Hubei Sheng, China
Patent: 12
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 12
With the analysis among related 3,944 patents in last 5 years, we discover 326 new entrants. Powerchina Xibei Engineering Corp. Ltd., Powerchina Kunming Engineering Corp. Ltd., Xiamen Tongjian Testing Technology Co., Ltd. are the most active new entrants in this area.
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 12
Powerchina Kunming Engineering Corp. Ltd.
Yunnan Sheng, China
Patent: 9
Xiamen Tongjian Testing Technology Co., Ltd.
Fujian Sheng, China
Patent: 7
The Research Foundation of The State University of New York
New York, United States
Patent: 7
Guangzhou Pujing Ecological Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 7
Suzhou Electrical Apparatus Science Academy Co., Ltd.
Jiangsu Sheng, China
Patent: 7
Hunan Airbluer Environmental Protection Technology Co., Ltd.
Hunan Sheng, China
Patent: 6
Shenzhen Graduate School of Tsinghua University
California, United States
Patent: 6
CCCC (Tianjin) Eco-Environmental Design and Research Institute Co., Ltd.
Tianjin Shi, China
Patent: 6
With the analysis among 2,503 patents, we discovered top 259 universities and scientific research institutions by total patent application. Hohai University, Tongji University, Zhejiang University are dominant in this area. They take 7.03% of the total patent filing.
Jiangsu Sheng, China
Patent: 66
Shanghai Shi, China
Patent: 57
Zhejiang Sheng, China
Patent: 37
Jiangsu Sheng, China
Patent: 27
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 25
Beijing Shi, China
Patent: 23
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 18
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 15
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 15
Beijing Normal University
Beijing Shi, China
Patent: 14