With the analysis among 21 patents, we discovered top 22 key players by total patent application. Powerchina Chengdu Engineering Corp. Ltd., China Railway Jianzhu Group Co., Ltd., Guizhou Zhengye Engineering Technology Investment Co Ltd. are dominant in this area. They take 33.33% of the total patent filing.
Sichuan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Xinjiang Uygur Zizhiqu, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
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With the analysis among related 55 patents applied in the last 5 years. We discover 37 most active companies in this area. The fast-growing Qingdao University of Technology, Southwest Jiaotong University, Liaoning University of Engineering and Technology take 30.91% of patent filing during this period.
Shandong Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
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Patent: 2
Shaanxi Sheng, China
Patent: 2
With the analysis among related 55 patents in last 5 years, we discover 34 new entrants. Southwest Jiaotong University, Liaoning University of Engineering and Technology, Kunming University of Science & Technology are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 6
Liaoning Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
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Patent: 2
Shaanxi Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among 49 patents, we discovered top 18 universities and scientific research institutions by total patent application. Qingdao University of Technology, Southwest Jiaotong University, Hohai University are dominant in this area. They take 42.86% of the total patent filing.
Shandong Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1