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.
Guizhou Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
Tianjin Shi, China
Patent: 5
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 Sheng, China
Patent: 25
Hunan Sheng, China
Patent: 20
Liaoning Sheng, China
Patent: 20
Zhejiang Sheng, China
Patent: 14
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Patent: 13
Jiangsu Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 11
Hunan Sheng, China
Patent: 10
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.
Shandong Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
Henan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Guizhou Sheng, China
Patent: 5
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 Sheng, China
Patent: 40
Jiangsu Sheng, China
Patent: 28
Hunan Sheng, China
Patent: 27
Jiangsu Sheng, China
Patent: 25
Zhejiang Sheng, China
Patent: 25
Hunan Sheng, China
Patent: 23
Hubei Sheng, China
Patent: 21
Shandong Sheng, China
Patent: 15
Sichuan Sheng, China
Patent: 14