With the analysis among 3,614 patents, we discovered top 455 key players by total patent application. Sumitomo Rubber Industries, Ltd., Toyota Motor Corp., China Railway Eryuan Engineering Group Co., Ltd. are dominant in this area. They take 3.13% of the total patent filing.
Sumitomo Rubber Industries, Ltd.
Kyoto-fu, Japan
Patent: 51
Tokyo-to, Japan
Patent: 31
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 31
Tokyo-to, Japan
Patent: 29
Tokyo-to, Japan
Patent: 26
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 24
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 22
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 21
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 21
With the analysis among 13 patents, we discovered top 8 start-ups by total patent application. Aisin KK, Yangtze Memory Technologies Co., Ltd., Sakae Co. Ltd. are active in this area.
Yangtze Memory Technologies Co., Ltd.
Hubei Sheng, China
Patent: 2
Suzhou Big Vision Medical Technology Co. Ltd.
Jiangsu Sheng, China
Patent: 1
Changchun Changguang Aerospace Composite Materials Co Ltd.
Jilin Sheng, China
Patent: 1
Shenzhen Edge Medical Co., Ltd.
Guangdong Sheng, China
Patent: 1
Qfeeltech (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 1
Utrecht, Netherlands
Patent: 1
With the analysis among related 2,184 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, Southwest Jiaotong University, China Railway Eryuan Engineering Group Co., Ltd. take 4.26% of patent filing during this period.
Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences
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Patent: 35
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 30
China Railway Eryuan Engineering Group Co., Ltd.
Sichuan Sheng, China
Patent: 28
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 27
Hunan Sheng, China
Patent: 25
Shanghai Shi, China
Patent: 22
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 22
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 22
Chongqing Shi, China
Patent: 21
Dalian University of Technology
Liaoning Sheng, China
Patent: 21
With the analysis among related 2,184 patents in last 5 years, we discover 329 new entrants. Sichuan Traffic Survey and Design Research Institute Co., Ltd., China Railway 18th Bureau Group Co., Ltd., China Railway Engineering Equipment Group Co., Ltd. are the most active new entrants in this area.
Sichuan Traffic Survey and Design Research Institute Co., Ltd.
Sichuan Sheng, China
Patent: 8
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 8
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 8
Yangtze River Water Conservancy Commission Yangtze River Academy of Sciences
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Patent: 8
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 6
Chengdu Aircraft Industrial Group Co. Ltd.
Sichuan Sheng, China
Patent: 6
China Railway No. 5 Engineering Group Co., Ltd.
Guizhou Sheng, China
Patent: 6
Sichuan Mianjiu Expressway Co., Ltd.
Sichuan Sheng, China
Patent: 5
Chengdu Hyundai Wantong Anchoring Technology Co., Ltd.
Sichuan Sheng, China
Patent: 5
China Railway Tunnel Group Erchu Co., Ltd.
Hebei Sheng, China
Patent: 5
With the analysis among 2,050 patents, we discovered top 226 universities and scientific research institutions by total patent application. China University of Mining & Technology, Shandong University of Science & Technology, China University of Mining & Technology (Beijing) are dominant in this area. They take 9.85% of the total patent filing.
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 74
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 66
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 62
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 43
Hunan Sheng, China
Patent: 42
Shanghai Shi, China
Patent: 37
Northwestern Polytechnical University
Shaanxi Sheng, China
Patent: 36
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 36
Beijing Shi, China
Patent: 33
Chongqing Shi, China
Patent: 30