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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 42
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 10
MIGAL - Galilee Research Institute Ltd.
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 4
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
China Railway 21st Bureau Group Sixth Engineering Co., Ltd.
Tianjin Shi, China
Patent: 3
University College Cardiff Consultants Ltd.
WALES, United Kingdom
Patent: 3
Engineering Projects (India) Ltd.
China Railway Shanghai Design Institute Group Co., 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.
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 23
MIGAL - Galilee Research Institute Ltd.
Hunan Sheng, China
Patent: 3
China Railway Design Group Co., Ltd.
Tianjin Shi, China
Patent: 3
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
China Railway Second Research Institute Chongqing Survey and Design Research Institute Co., Ltd.
Chongqing Shi, China
Patent: 2
CCCC North China Engineering Co., Ltd.
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.
MIGAL - Galilee Research Institute Ltd.
Hunan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
China Railway Second Research Institute Chongqing Survey and Design Research Institute Co., Ltd.
Chongqing Shi, China
Patent: 2
CCCC North China Engineering Co., Ltd.
Beijing Shi, China
Patent: 1
Hebei Construction & Investment Communication Inv. Co. Ltd.
Hebei Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
China Road & Bridge Engineering Co. Ltd.
Beijing Shi, China
Patent: 1
Harbin Institute of Technology
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.
Southwest Jiaotong University
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 University of Technology
Hubei Sheng, China
Patent: 1
Railway Technical Research Institute
Beijing Forestry University
Beijing Shi, China
Patent: 1
Hefei Institutes of Physical Science
Anhui Sheng, China
Patent: 1