With the analysis among 42,262 patents, we discovered top 478 key players by total patent application. Mitsubishi Heavy Industries, Ltd., Ohbayashi Corp., TAISEI Corp. are dominant in this area. They take 1.58% of the total patent filing.
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 208
Jiangsu Sheng, China
Patent: 154
Tokyo-to, Japan
Patent: 138
Jiangsu Sheng, China
Patent: 126
Penta-Ocean Construction Co., Ltd.
Yamanashi-ken, Japan
Patent: 126
Tokyo-to, Japan
Patent: 116
Pennsylvania, United States
Patent: 115
Tokyo-to, Japan
Patent: 109
Sumitomo Metal Mining Co. Ltd.
Tokyo-to, Japan
Patent: 100
Exxonmobil Upstream Research Co.
Texas, United States
Patent: 100
With the analysis among 49 patents, we discovered top 21 start-ups by total patent application. M-I LLC, Aisin KK, Radical Plastics, Inc. are active in this area.
Texas, United States
Patent: 12
Massachusetts, United States
Patent: 5
Nuevo León, Mexico
Patent: 4
Illinois, United States
Patent: 3
British Columbia, Canada
Patent: 2
Michigan, United States
Patent: 1
With the analysis among related 10,104 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, Ocean University of China, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences take 2.51% of patent filing during this period.
Jiangsu Sheng, China
Patent: 102
Ocean University of China
Shandong Sheng, China
Patent: 100
Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences
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Patent: 52
Zhejiang Sheng, China
Patent: 48
Qingdao Institute of Marine Geology
Shandong Sheng, China
Patent: 48
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 44
Tianjin Shi, China
Patent: 43
China Institute of Water Resources and Hydropower Research
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Patent: 38
Nanjing Hydraulic Research Institute
Jiangsu Sheng, China
Patent: 28
Dalian University of Technology
Liaoning Sheng, China
Patent: 27
With the analysis among related 10,104 patents in last 5 years, we discover 147 new entrants. Harwich Haven Authority, Guangdong Provincial Laboratory of Southern Marine Science and Engineering (Guangzhou), China Jianghe Real Estate Development Co. are the most active new entrants in this area.
Essex, United Kingdom
Patent: 23
Guangdong Provincial Laboratory of Southern Marine Science and Engineering (Guangzhou)
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Patent: 14
China Jianghe Real Estate Development Co.
Beijing Shi, China
Patent: 11
Shenzhen Shenheng Environmental Protection Industry Co., Ltd.
Guangdong Sheng, China
Patent: 10
Zhongke Zhigan (Nanjing) Environmental Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 9
Water and Soil Conservation Monitoring Center Station of Pearl River Water Resources Commission
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Patent: 7
Shanghai Shi, China
Patent: 7
Qingdao National Laboratory of Marine Science and Technology Development Center
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Patent: 7
Qingdao Geological Engineering Survey Institute
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Patent: 6
CNNC Sichuan Environmental Protection Engineering Co., Ltd.
Sichuan Sheng, China
Patent: 6
With the analysis among 11,344 patents, we discovered top 318 universities and scientific research institutions by total patent application. Hohai University, Ocean University of China, Zhejiang University are dominant in this area. They take 4.97% of the total patent filing.
Jiangsu Sheng, China
Patent: 225
Ocean University of China
Shandong Sheng, China
Patent: 172
Zhejiang Sheng, China
Patent: 167
Tianjin Shi, China
Patent: 103
South China University of Technology
Guangdong Sheng, China
Patent: 82
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 74
Shanghai Shi, China
Patent: 69
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 66
Hunan Sheng, China
Patent: 63
Zhejiang Ocean University
Zhejiang Sheng, China
Patent: 63