With the analysis among 1,674 patents, we discovered top 493 key players by total patent application. China Academy of Railway Sciences Group Co. Ltd., voestalpine Schienen GmbH, SUNFLEX Aluminiumsysteme GmbH are dominant in this area. They take 6.69% of the total patent filing.
Beijing Shi, China
Patent: 43
Steiermark, Austria
Patent: 38
Nordrhein-Westfalen, Germany
Patent: 31
Beijing Shi, China
Patent: 26
Beijing Shi, China
Patent: 26
Shanghai Shi, China
Patent: 21
Nordrhein-Westfalen, Germany
Patent: 19
Sachsen-Anhalt, Germany
Patent: 18
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With the analysis among related 499 patents applied in the last 5 years. We discover 255 most active companies in this area. The fast-growing China Academy of Railway Sciences Group Co. Ltd., Infrastructure Testing Institute of China Academy of Railway Sciences Group Co., Ltd., Beijing Imap Technology Co. Ltd. take 16.03% of patent filing during this period.
Beijing Shi, China
Patent: 36
Beijing Shi, China
Patent: 22
Beijing Shi, China
Patent: 22
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 9
Sichuan Sheng, China
Patent: 9
Nordrhein-Westfalen, Germany
Patent: 8
Beijing Shi, China
Patent: 8
Jiangxi Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 6
With the analysis among related 499 patents in last 5 years, we discover 216 new entrants. China Railway General Operation and Maintenance Technology Co., Ltd., Nanchang Yunhuaqi Intelligent Technology Co., Ltd., Zumbotel Lighting GmbH are the most active new entrants in this area.
Beijing Shi, China
Patent: 12
Jiangxi Sheng, China
Patent: 7
New Jersey, United States
Patent: 6
Shandong Sheng, China
Patent: 5
Baden-Württemberg, Germany
Patent: 5
New Jersey, United States
Patent: 5
Hebei Sheng, China
Patent: 4
Shanghai Jima Machinery Equipment Co., Ltd.
Shanghai Shi, China
Patent: 4
With the analysis among 141 patents, we discovered top 31 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Central South University, Beijing Jiaotong University are dominant in this area. They take 67.38% of the total patent filing.
Sichuan Sheng, China
Patent: 11
Hunan Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Shanghai Shi, China
Patent: 4
Hebei Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Jiangxi Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2