With the analysis among 231 patents, we discovered top 197 key players by total patent application. China Railway Engineering Equipment Group Co., Ltd., China Railway Engineering Services Co., Ltd., China Railway Construction Heavy Industry Corp. Ltd. are dominant in this area. They take 7.79% of the total patent filing.
Henan Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Manitoba, Canada
Patent: 3
With the analysis among 3 patents, we discovered top 1 start-ups by total patent application.
California, United States
Patent: 3
With the analysis among related 302 patents applied in the last 5 years. We discover 248 most active companies in this area. The fast-growing Central South University, Tongji University, China Railway Engineering Services Co., Ltd. take 8.28% of patent filing during this period.
Hunan Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Sichuan Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 4
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 4
With the analysis among related 302 patents in last 5 years, we discover 243 new entrants. Central South University, Tongji University, China Railway Engineering Services Co., Ltd. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Sichuan Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 4
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
With the analysis among 99 patents, we discovered top 45 universities and scientific research institutions by total patent application. Central South University, Tongji University, Hohai University are dominant in this area. They take 24.24% of the total patent filing.
Hunan Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 5
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2