With the analysis among 135 patents, we discovered top 53 key players by total patent application. China Railway Eryuan Engineering Group Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., MIGAL - Galilee Research Institute Ltd. are dominant in this area. They take 41.48% of the total patent filing.
Sichuan Sheng, China
Patent: 42
Hubei Sheng, China
Patent: 10
Tianjin Shi, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
WALES, United Kingdom
Patent: 3
Engineering Projects (India) Ltd.
Shanghai Shi, China
Patent: 2
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With the analysis among related 71 patents applied in the last 5 years. We discover 36 most active companies in this area. The fast-growing China Railway Eryuan Engineering Group Co., Ltd., MIGAL - Galilee Research Institute Ltd., Central South University take 42.25% of patent filing during this period.
Sichuan Sheng, China
Patent: 23
Hunan Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Chongqing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Hebei Construction & Investment Communication Inv. Co. Ltd.
Hebei Sheng, China
Patent: 1
With the analysis among related 71 patents in last 5 years, we discover 30 new entrants. MIGAL - Galilee Research Institute Ltd., Central South University, Tongji University are the most active new entrants in this area.
Hunan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Chongqing Shi, China
Patent: 2
Beijing Shi, China
Patent: 1
Hebei Construction & Investment Communication Inv. Co. Ltd.
Hebei Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
With the analysis among 37 patents, we discovered top 18 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Central South University, Tongji University are dominant in this area. They take 32.43% of the total patent filing.
Sichuan Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Anhui Sheng, China
Patent: 1