With the analysis among 449 patents, we discovered top 286 key players by total patent application. Guangzhou Metro Design & Research Institute Co., Ltd., Bonomi Eugenio SpA, SATFERR SRL are dominant in this area. They take 12.47% of the total patent filing.
Guangdong Sheng, China
Patent: 29
Lombardia, Italy
Patent: 14
Shaanxi Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 9
Shandong Sheng, China
Patent: 8
CITY OF ROME, Italy
Patent: 7
Hubei Sheng, China
Patent: 7
Traffic Control Technology Co., Ltd.
Beijing Shi, China
Patent: 6
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With the analysis among related 369 patents applied in the last 5 years. We discover 256 most active companies in this area. The fast-growing Guangzhou Metro Design & Research Institute Co., Ltd., Beijing Jiaotong University, Southwest Jiaotong University take 11.38% of patent filing during this period.
Guangdong Sheng, China
Patent: 26
Beijing Shi, China
Patent: 8
Sichuan Sheng, China
Patent: 8
Jiangxi Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 5
Anhui Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 368 patents in last 5 years, we discover 230 new entrants. East China Jiaotong University, Central South University, China Railway Electrification Bureau (Group) Co., Ltd. are the most active new entrants in this area.
Jiangxi Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Yunnan Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 4
Shanxi Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Tianjin Shi, China
Patent: 3
With the analysis among 144 patents, we discovered top 48 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Southwest Jiaotong University, Shanghai University of Engineering Science are dominant in this area. They take 21.53% of the total patent filing.
Beijing Shi, China
Patent: 13
Sichuan Sheng, China
Patent: 12
Shanghai Shi, China
Patent: 6
Hunan Sheng, China
Patent: 5
Jiangxi Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3