With the analysis among 2,172 patents, we discovered top 482 key players by total patent application. China Railway No. 3 Engineering Group Co., Ltd., Shape Corp., China Railway Siyuan Survey & Design Group Co., Ltd. are dominant in this area. They take 6.63% of the total patent filing.
Shanxi Sheng, China
Patent: 58
Michigan, United States
Patent: 43
Hubei Sheng, China
Patent: 43
Shanxi Sheng, China
Patent: 37
Shanxi Sheng, China
Patent: 26
Sichuan Sheng, China
Patent: 26
Central Singapore, Singapore
Patent: 25
Hubei Sheng, China
Patent: 24
Tianjin Shi, China
Patent: 23
Beijing Shi, China
Patent: 22
With the analysis among 5 patents, we discovered top 3 start-ups by total patent application.
California, United States
Patent: 2
California, United States
Patent: 1
With the analysis among related 1,231 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Railway No. 3 Engineering Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd. take 5.69% of patent filing during this period.
Shanxi Sheng, China
Patent: 30
Shanxi Sheng, China
Patent: 20
Hubei Sheng, China
Patent: 20
Shanghai Shi, China
Patent: 18
Hubei Sheng, China
Patent: 18
Anhui Sheng, China
Patent: 17
Henan Sheng, China
Patent: 17
Guangdong Sheng, China
Patent: 17
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 16
Tianjin Shi, China
Patent: 16
With the analysis among related 1,231 patents in last 5 years, we discover 354 new entrants. No. 1 Engineering Co. Ltd. of CR11BG, Gansu Province Transportation Planning Survey & Design Inst, Cccc Four Public Bureau Second Engineering Co. Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 14
Gansu Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 11
Beijing Shi, China
Patent: 9
Shanghai Shi, China
Patent: 8
Hubei Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Hunan Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
With the analysis among 408 patents, we discovered top 94 universities and scientific research institutions by total patent application. Fuzhou University, Shijiazhuang Tiedao University, Northeast Forestry University are dominant in this area. They take 11.76% of the total patent filing.
Fujian Sheng, China
Patent: 19
Hebei Sheng, China
Patent: 15
Heilongjiang Sheng, China
Patent: 14
Jiangsu Sheng, China
Patent: 13
Beijing Shi, China
Patent: 12
Hunan Sheng, China
Patent: 12
Manitoba, Canada
Patent: 9
Shanghai Shi, China
Patent: 9
Hubei Sheng, China
Patent: 9
New York, United States
Patent: 7