With the analysis among 1,269 patents, we discovered top 480 key players by total patent application. Shanghai Urban Construction Road and Bridge Engineering Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Chengdu Tianfu Rail Valley Technology Co., Ltd. are dominant in this area. They take 4.41% of the total patent filing.
Shanghai Shi, China
Patent: 24
Hubei Sheng, China
Patent: 21
Sichuan Sheng, China
Patent: 11
Zhejiang Sheng, China
Patent: 10
Texas, United States
Patent: 10
Shandong Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 8
Shandong Sheng, China
Patent: 7
Guizhou Sheng, China
Patent: 7
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With the analysis among related 779 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Shanghai Urban Construction Road and Bridge Engineering Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Chengdu Tianfu Rail Valley Technology Co., Ltd. take 6.42% of patent filing during this period.
Shanghai Shi, China
Patent: 24
Hubei Sheng, China
Patent: 15
Sichuan Sheng, China
Patent: 11
Zhejiang Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 6
Hubei Sheng, China
Patent: 6
With the analysis among related 779 patents in last 5 years, we discover 429 new entrants. Shanghai Urban Construction Road and Bridge Engineering Co., Ltd., Chengdu Tianfu Rail Valley Technology Co., Ltd., Shandong Jiaotong University are the most active new entrants in this area.
Shanghai Shi, China
Patent: 24
Sichuan Sheng, China
Patent: 11
Shandong Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 6
Hubei Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Henan Sheng, China
Patent: 5
With the analysis among 240 patents, we discovered top 69 universities and scientific research institutions by total patent application. Chang'an University, Tongji University, Zhejiang University are dominant in this area. They take 11.25% of the total patent filing.
Shaanxi Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Fujian Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Guangxi Zhuangzu Zizhiqu, China
Patent: 5