With the analysis among 51 patents, we discovered top 43 key players by total patent application. China Railway Design Group Co., Ltd., Powerchina Kunming Engineering Corp. Ltd., China Construction Fifth Engineering Division Corp. Ltd. are dominant in this area. They take 13.73% of the total patent filing.
Tianjin Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
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With the analysis among related 45 patents applied in the last 5 years. We discover 38 most active companies in this area. The fast-growing China Railway Design Group Co., Ltd., State Grid Xinyuan Co., Ltd., Powerchina Kunming Engineering Corp. Ltd. take 15.56% of patent filing during this period.
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jinan Nasno Industrial Test System Co., Ltd.
Shandong Sheng, China
Patent: 1
With the analysis among related 45 patents in last 5 years, we discover 37 new entrants. China Railway Design Group Co., Ltd., State Grid Xinyuan Co., Ltd., Powerchina Kunming Engineering Corp. Ltd. are the most active new entrants in this area.
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Yunnan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jinan Nasno Industrial Test System Co., Ltd.
Shandong Sheng, China
Patent: 1
With the analysis among 16 patents, we discovered top 8 universities and scientific research institutions by total patent application. Hohai University, Chongqing Jiaotong University, Beijing Institute of Technology are dominant in this area. They take 43.75% of the total patent filing.
Jiangsu Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1