With the analysis among 411 patents, we discovered top 233 key players by total patent application. Railroad Friction Products Corp., Siemens AG, The Nippon Signal Co., Ltd. are dominant in this area. They take 7.06% of the total patent filing.
North Carolina, United States
Patent: 11
Bayern, Germany
Patent: 10
The Nippon Signal Co., Ltd.
Hubei Sheng, China
Patent: 5
Telefonaktiebolaget LM Ericsson
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With the analysis among related 259 patents applied in the last 5 years. We discover 150 most active companies in this area. The fast-growing China Railway Siyuan Survey & Design Group Co., Ltd., Hitachi Ltd., Shandong Zikuang Railway Transportation Co., Ltd. take 4.25% of patent filing during this period.
Hubei Sheng, China
Patent: 5
Shandong Zikuang Railway Transportation Co., Ltd.
Shandong Sheng, China
Patent: 3
Minnesota, United States
Patent: 3
CRSC International Holdings Limited
Beijing Shi, China
Patent: 3
Guangxi Liuzhou Iron & Steel (Group) Co. Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Shandong Sheng, China
Patent: 3
Rio de Janeiro, Brazil
Patent: 3
With the analysis among related 259 patents in last 5 years, we discover 136 new entrants. China Railway Siyuan Survey & Design Group Co., Ltd., Hitachi Ltd., Shandong Zikuang Railway Transportation Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 5
Shandong Zikuang Railway Transportation Co., Ltd.
Shandong Sheng, China
Patent: 3
CRSC International Holdings Limited
Beijing Shi, China
Patent: 3
Guangxi Liuzhou Iron & Steel (Group) Co. Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Shandong Sheng, China
Patent: 3
Rio de Janeiro, Brazil
Patent: 3
Jiangsu Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
With the analysis among 72 patents, we discovered top 29 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Shandong University, Railway Technical Research Institute are dominant in this area. They take 16.67% of the total patent filing.
Beijing Shi, China
Patent: 4
Shandong Sheng, China
Patent: 3
AGH University of Science & Technology
Uttar Pradesh, India
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
ZURICH, Switzerland
Patent: 1
New Jersey, United States
Patent: 1