With the analysis among 236 patents, we discovered top 146 key players by total patent application. Powerchina Guiyang Engineering Corp. Ltd., Chengdu Donghua Excellence Technology Co., Ltd., Powerchina Zhongnan Engineering Corp. Ltd. are dominant in this area. They take 8.47% of the total patent filing.
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 7
Chengdu Donghua Excellence Technology Co., Ltd.
Sichuan Sheng, China
Patent: 7
Powerchina Zhongnan Engineering Corp. Ltd.
Hunan Sheng, China
Patent: 6
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 6
Suzhou Huicai Soil and Water Engineering Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Shandong Gold Mining Technology Co., Ltd.
Shandong Sheng, China
Patent: 6
Changchunchaoyangshiyan Instruments Co. Ltd.
Jilin Sheng, China
Patent: 5
Sinosteel Maanshan General Inst of Mining Research Co., Ltd.
Anhui Sheng, China
Patent: 5
Preliminary (Tianjin) Technology Co., Ltd.
Tianjin Shi, China
Patent: 5
China National Petroleum Corp.
Beijing Shi, China
Patent: 4
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With the analysis among related 539 patents applied in the last 5 years. We discover 210 most active companies in this area. The fast-growing North Eastern University, Shandong University of Science & Technology, Changsha University of Science & Technology take 15.58% of patent filing during this period.
Liaoning Sheng, China
Patent: 39
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 25
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 20
Dalian University of Technology
Liaoning Sheng, China
Patent: 20
Zhejiang Sheng, China
Patent: 14
Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences
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Patent: 13
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 11
Hunan Sheng, China
Patent: 10
Qingdao University of Technology
Shandong Sheng, China
Patent: 10
With the analysis among related 539 patents in last 5 years, we discover 148 new entrants. Qingdao University of Technology, Chengdu University of Technology, Zhejiang University of Technology are the most active new entrants in this area.
Qingdao University of Technology
Shandong Sheng, China
Patent: 10
Chengdu University of Technology
Sichuan Sheng, China
Patent: 9
Zhejiang University of Technology
Zhejiang Sheng, China
Patent: 7
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 6
Henan Sheng, China
Patent: 6
Shandong Gold Mining Technology Co., Ltd.
Shandong Sheng, China
Patent: 6
Preliminary (Tianjin) Technology Co., Ltd.
Tianjin Shi, China
Patent: 5
University of Science & Technology Beijing
Beijing Shi, China
Patent: 5
Guizhou Sheng, China
Patent: 5
Wuhan Institute of Technology
Hubei Sheng, China
Patent: 4
With the analysis among 852 patents, we discovered top 129 universities and scientific research institutions by total patent application. North Eastern University, Shandong University of Science & Technology, Hohai University are dominant in this area. They take 18.08% of the total patent filing.
Liaoning Sheng, China
Patent: 47
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 40
Jiangsu Sheng, China
Patent: 28
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 27
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 25
Zhejiang Sheng, China
Patent: 25
Hunan Sheng, China
Patent: 23
China Three Gorges University
Hubei Sheng, China
Patent: 21
Shandong Sheng, China
Patent: 15
Sichuan Sheng, China
Patent: 14