With the analysis among 2,992 patents, we discovered top 483 key players by total patent application. Qiqihar Railway Rolling Stock Co. Ltd., Amsted Rail Co., Inc., CRRC Yangtze Co. Ltd. are dominant in this area. They take 20.99% of the total patent filing.
Qiqihar Railway Rolling Stock Co. Ltd.
Heilongjiang Sheng, China
Patent: 271
Illinois, United States
Patent: 183
Hubei Sheng, China
Patent: 174
Sichuan Sheng, China
Patent: 151
Harbin Kejia General Mechanical & Electrical Co., Ltd.
Heilongjiang Sheng, China
Patent: 105
CRRC Beijing Erqi Vehicle Co., Ltd.
Beijing Shi, China
Patent: 83
Shenhua Railway Freight Transport Co., Ltd.
Beijing Shi, China
Patent: 83
Shanxi Sheng, China
Patent: 82
Shandong Sheng, China
Patent: 58
Westinghouse Air Brake Co.
Pennsylvania, United States
Patent: 51
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With the analysis among related 1,592 patents applied in the last 5 years. We discover 346 most active companies in this area. The fast-growing Harbin Kejia General Mechanical & Electrical Co., Ltd., Qiqihar Railway Rolling Stock Co. Ltd., CRRC Yangtze Co. Ltd. take 17.21% of patent filing during this period.
Harbin Kejia General Mechanical & Electrical Co., Ltd.
Heilongjiang Sheng, China
Patent: 104
Qiqihar Railway Rolling Stock Co. Ltd.
Heilongjiang Sheng, China
Patent: 85
Hubei Sheng, China
Patent: 85
Sichuan Sheng, China
Patent: 82
Shenhua Railway Freight Transport Co., Ltd.
Beijing Shi, China
Patent: 78
Illinois, United States
Patent: 70
Shanxi Sheng, China
Patent: 43
CRRC Yangtze River Transportation Equipment Group Co., Ltd.
Hubei Sheng, China
Patent: 40
Shandong Sheng, China
Patent: 31
Sichuan Brake Science & Technology Co. Ltd.
Sichuan Sheng, China
Patent: 31
With the analysis among related 1,592 patents in last 5 years, we discover 266 new entrants. CRRC Yangtze River Transportation Equipment Group Co., Ltd., CRRC Changzhou Vehicle Co., Ltd., Nanjing Hongsheng Railway Vehicle Parts Co., Ltd. are the most active new entrants in this area.
CRRC Yangtze River Transportation Equipment Group Co., Ltd.
Hubei Sheng, China
Patent: 40
CRRC Changzhou Vehicle Co., Ltd.
Jiangsu Sheng, China
Patent: 13
Nanjing Hongsheng Railway Vehicle Parts Co., Ltd.
Jiangsu Sheng, China
Patent: 12
Chengdu Institute of Technology
Sichuan Sheng, China
Patent: 9
Datong Railway Substation Hudong Vehicle Section
Shanxi Sheng, China
Patent: 9
Pangang Group Panzhihua Iron&Steel Research Institute Co.,Ltd.
Sichuan Sheng, China
Patent: 7
Wafangdian Bearing Group National Bearing Engineering Technology Research Center Co., Ltd.
Liaoning Sheng, China
Patent: 7
Beijing China Railway Technology Co., Ltd.
Beijing Shi, China
Patent: 7
Beijing Jingye Dawo Kaisen Technology Co., Ltd.
Beijing Shi, China
Patent: 7
With the analysis among 167 patents, we discovered top 31 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Chengdu Institute of Technology, Central South University are dominant in this area. They take 29.94% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 20
Chengdu Institute of Technology
Sichuan Sheng, China
Patent: 9
Hunan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 5
Lanzhou Jiaotong University
Gansu Sheng, China
Patent: 4
Beijing Jiaotong University
Beijing Shi, China
Patent: 3
Dalian Jiaotong University
Liaoning Sheng, China
Patent: 3
Universidad Politécnica de Valencia
Jiangsu Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 2