With the analysis among 3,043 patents, we discovered top 469 key players by total patent application. Hochiki Corp., Gewerkschaft Eisenhütte Westfalia GmbH, Ishikawajima Construction Materials Co Ltd are dominant in this area. They take 5.39% of the total patent filing.
Tokyo-to, Japan
Patent: 63
Gewerkschaft Eisenhütte Westfalia GmbH
Nordrhein-Westfalen, Germany
Patent: 51
Ishikawajima Construction Materials Co Ltd
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 39
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 33
Osaka-fu, Japan
Patent: 31
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 30
Tokyo-to, Japan
Patent: 23
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 22
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 22
With the analysis among 3 patents, we discovered top 2 start-ups by total patent application.
Shenzhen Yuejiang Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
New York, United States
Patent: 1
With the analysis among related 1,479 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hochiki Corp., China Railway Engineering Equipment Group Co., Ltd., China Railway 12th Bureau Group Co., Ltd. take 5.68% of patent filing during this period.
Tokyo-to, Japan
Patent: 39
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 26
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 19
China Railway Construction Heavy Industry Corp. Ltd.
Hunan Sheng, China
Patent: 19
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 16
Hunan Sheng, China
Patent: 15
China Railway 12th Bureau Group 2nd Engineering Co., Ltd.
Shanxi Sheng, China
Patent: 14
CRCC High-Tech Equipment Corp. Ltd.
Yunnan Sheng, China
Patent: 12
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 11
With the analysis among related 1,479 patents in last 5 years, we discover 391 new entrants. China Communications First Public Bureau Group Co., Ltd., Sichuan Lianchang Xintong Technology Co., Ltd., General Electric Co. are the most active new entrants in this area.
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 9
Sichuan Lianchang Xintong Technology Co., Ltd.
Sichuan Sheng, China
Patent: 8
Massachusetts, United States
Patent: 7
Jiangsu Shendun Construction Machinery Co., Ltd.
Jiangsu Sheng, China
Patent: 7
Sichuan Jiaoao Intelligent Control Protection Technology Co., Ltd.
Sichuan Sheng, China
Patent: 6
Hangzhou Shenhao Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 6
Sichuan Lianchang Industrial Design Co., Ltd.
Sichuan Sheng, China
Patent: 6
Dalian Maritime University
Liaoning Sheng, China
Patent: 6
China Railway 16th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 5
China Railway Fourth Bureau Group Co., Ltd.
Anhui Sheng, China
Patent: 5
With the analysis among 522 patents, we discovered top 131 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Tongji University, Central South University are dominant in this area. They take 9.96% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 18
Shanghai Shi, China
Patent: 17
Hunan Sheng, China
Patent: 17
Shaanxi Sheng, China
Patent: 17
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 16
Shandong Sheng, China
Patent: 14
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 12
Shenyang Jianzhu University
Liaoning Sheng, China
Patent: 11
Railway Technical Research Institute
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 8