With the analysis among 1,838 patents, we discovered top 474 key players by total patent application. Chinese Metallurgical Group Co., Ltd., Shanghai Construction Group Co., Ltd., Hunan Qiu Zeyou Patent Strategy Planning Co., Ltd. are dominant in this area. They take 4.57% of the total patent filing.
Anhui Sheng, China
Patent: 30
Shanghai Shi, China
Patent: 29
Hunan Sheng, China
Patent: 25
Tokyo-to, Japan
Patent: 21
Zhejiang Sheng, China
Patent: 20
Sichuan Sheng, China
Patent: 19
Guizhou Sheng, China
Patent: 19
Tianjin Shi, China
Patent: 18
Shanghai Shi, China
Patent: 18
Beijing Shi, China
Patent: 17
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With the analysis among related 1,299 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Chinese Metallurgical Group Co., Ltd., China Institute of Water Resources and Hydropower Research, Shanghai Construction Group Co., Ltd. take 4.77% of patent filing during this period.
Anhui Sheng, China
Patent: 28
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Patent: 17
Shanghai Shi, China
Patent: 17
Zhejiang Sheng, China
Patent: 14
Xinjiang Uygur Zizhiqu, China
Patent: 14
Shanghai Shi, China
Patent: 12
Beijing Shi, China
Patent: 12
Jiangsu Sheng, China
Patent: 11
Tianjin Shi, China
Patent: 11
Hubei Sheng, China
Patent: 10
With the analysis among related 1,299 patents in last 5 years, we discover 392 new entrants. Xinjiang Xijian Qingsong Construction Co., Ltd., Wuhan Wugong Kejian Engineering Technology Co., Ltd., Shanghai Baoye Group Co., Ltd. are the most active new entrants in this area.
Xinjiang Uygur Zizhiqu, China
Patent: 14
Hubei Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 10
Henan Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 7
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Patent: 7
Shandong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
With the analysis among 380 patents, we discovered top 89 universities and scientific research institutions by total patent application. Hohai University, Tsinghua University, Beijing University of Technology are dominant in this area. They take 23.16% of the total patent filing.
Jiangsu Sheng, China
Patent: 28
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 11
Shanghai Shi, China
Patent: 10
Hubei Sheng, China
Patent: 9
Hubei Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 8
Hunan Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Heilongjiang Sheng, China
Patent: 7