With the analysis among 2,935 patents, we discovered top 480 key players by total patent application. Bridgestone Corp., Powerchina Huadong Engineering Corp. Ltd., Sumitomo Electric Industries Ltd. are dominant in this area. They take 4.77% of the total patent filing.
Tokyo-to, Japan
Patent: 52
Zhejiang Sheng, China
Patent: 52
Osaka-fu, Japan
Patent: 36
Sichuan Sheng, China
Patent: 30
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 28
Henan Sheng, China
Patent: 24
Beijing Shi, China
Patent: 24
BRISTOL, United Kingdom
Patent: 22
Guizhou Sheng, China
Patent: 19
Hubei Sheng, China
Patent: 17
With the analysis among 2 patents, we discovered top 2 start-ups by total patent application.
Beijing Shi, China
Patent: 1
Massachusetts, United States
Patent: 1
With the analysis among related 2,374 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Hohai University, Powerchina Chengdu Engineering Corp. Ltd. take 4.21% of patent filing during this period.
Zhejiang Sheng, China
Patent: 40
Jiangsu Sheng, China
Patent: 36
Sichuan Sheng, China
Patent: 24
Sichuan Sheng, China
Patent: 23
Beijing Shi, China
Patent: 22
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 22
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Patent: 19
Henan Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 13
Guizhou Sheng, China
Patent: 13
With the analysis among related 2,374 patents in last 5 years, we discover 406 new entrants. Dalian University of Technology, China Three Gorges Corp., Wuxi Delinhai Environmental Technology Co., Ltd. are the most active new entrants in this area.
Liaoning Sheng, China
Patent: 11
Hubei Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 9
Beijing Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 8
Chongqing Shi, China
Patent: 7
Zhejiang Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 7
Hubei Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
With the analysis among 887 patents, we discovered top 166 universities and scientific research institutions by total patent application. Hohai University, Chongqing Jiaotong University, Sichuan University are dominant in this area. They take 12.63% of the total patent filing.
Jiangsu Sheng, China
Patent: 59
Chongqing Shi, China
Patent: 25
Sichuan Sheng, China
Patent: 24
Hubei Sheng, China
Patent: 16
Anhui Sheng, China
Patent: 12
Beijing Shi, China
Patent: 11
Tianjin Shi, China
Patent: 10
Yunnan Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 8