With the analysis among 9,553 patents, we discovered top 466 key players by total patent application. State Grid Corp. of China, Siemens AG, Guangdong Power Grid Co. Ltd. are dominant in this area. They take 16.92% of the total patent filing.
Beijing Shi, China
Patent: 1,173
Bayern, Germany
Patent: 265
Guangdong Sheng, China
Patent: 178
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 115
State Grid Shanghai Municipal Electric Power Co.
Shanghai Shi, China
Patent: 114
Tokyo-to, Japan
Patent: 84
Fujian Sheng, China
Patent: 79
Beijing Shi, China
Patent: 72
Jiangsu Sheng, China
Patent: 68
With the analysis among 12 patents, we discovered top 7 start-ups by total patent application. Englishco LLC, Qianxing Group, Qingdao Huituo Intelligent Machine Co. Ltd. are active in this area.
New York, United States
Patent: 5
Sichuan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
With the analysis among related 5,337 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 11.35% of patent filing during this period.
Beijing Shi, China
Patent: 357
Guangdong Sheng, China
Patent: 178
Sichuan Sheng, China
Patent: 71
Beijing Shi, China
Patent: 65
Guangdong Sheng, China
Patent: 48
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 47
Guizhou Sheng, China
Patent: 44
Shaanxi Sheng, China
Patent: 43
Fujian Sheng, China
Patent: 42
With the analysis among related 5,337 patents in last 5 years, we discover 249 new entrants. Guangdong Power Grid Co. Ltd., China Railway Construction Electrification Bureau Group South Engineering Co., Ltd., China Railway 12th Bureau Group Co., Ltd. are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 178
Hubei Sheng, China
Patent: 28
Shanxi Sheng, China
Patent: 25
Gansu Sheng, China
Patent: 24
Tianjin Shi, China
Patent: 22
Guangdong Sheng, China
Patent: 19
Hebei Sheng, China
Patent: 16
Shaanxi Sheng, China
Patent: 14
China Railway Construction Corp. Ltd.
Beijing Shi, China
Patent: 12
Guangxi Zhuangzu Zizhiqu, China
Patent: 11
With the analysis among 1,228 patents, we discovered top 157 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 21.50% of the total patent filing.
Sichuan Sheng, China
Patent: 104
Beijing Shi, China
Patent: 36
Shaanxi Sheng, China
Patent: 22
Zhejiang Sheng, China
Patent: 20
Beijing Shi, China
Patent: 20
South China University of Technology
Guangdong Sheng, China
Patent: 17
Beijing Jiaotong University
Beijing Shi, China
Patent: 17
Beijing Shi, China
Patent: 15
Shandong Sheng, China
Patent: 14