With the analysis among 8,219 patents, we discovered top 453 key players by total patent application. State Grid Corp. of China, Siemens AG, Siemens SA are dominant in this area. They take 19.93% of the total patent filing.
Beijing Shi, China
Patent: 1,110
Bayern, Germany
Patent: 264
Guangdong Sheng, China
Patent: 157
Shanghai Shi, China
Patent: 108
Zürich, Switzerland
Patent: 81
Fujian Sheng, China
Patent: 63
With the analysis among 10 patents, we discovered top 3 start-ups by total patent application.
New York, United States
Patent: 5
Fujian Sheng, China
Patent: 1
Lesser Poland, Poland
Patent: 1
With the analysis among related 4,351 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Guangdong Power Grid Co. Ltd., Southwest Jiaotong University take 13.86% of patent filing during this period.
Beijing Shi, China
Patent: 394
Guangdong Sheng, China
Patent: 157
Sichuan Sheng, China
Patent: 52
Shanghai Shi, China
Patent: 45
Fujian Sheng, China
Patent: 34
Jiangsu Electric Power Co.
Jiangsu Sheng, China
Patent: 24
With the analysis among related 4,351 patents in last 5 years, we discover 298 new entrants. Guangdong Power Grid Co. Ltd., China Railway 12th Bureau Group Co., Ltd., Guangdong Power Grid Corp. Zhaoqing Power Supply Bureau are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 157
Shanxi Sheng, China
Patent: 14
Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
Gansu Sheng, China
Patent: 9
China Southern Power Grid Co., Ltd.
Guangdong Sheng, China
Patent: 8
Liaoning Sheng, China
Patent: 8
Changchun Sci-Tech University
Jilin Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 6
With the analysis among 1,044 patents, we discovered top 132 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Railway Technical Research Institute, North China Electric Power University are dominant in this area. They take 23.85% of the total patent filing.
Sichuan Sheng, China
Patent: 78
North China Electric Power University
Beijing Shi, China
Patent: 33
Xi'an Jiaotong University
Hunan Sheng, China
Patent: 19
Zhejiang Sheng, China
Patent: 19
Guangdong Sheng, China
Patent: 16
Beijing Shi, China
Patent: 14
Changsha University of Science & Technology
Jiangsu Sheng, China
Patent: 14
Beijing Shi, China
Patent: 14
Shandong Sheng, China
Patent: 13