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.
State Grid Corp. of China
Beijing Shi, China
Patent: 1,173
Bayern, Germany
Patent: 265
Guangdong Power Grid Co. Ltd.
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
State Grid Fujian Electric Power Co.
Fujian Sheng, China
Patent: 79
China Railway Electrification Bureau (Group) Co., Ltd.
Beijing Shi, China
Patent: 72
Jiangsu Electric Power Co.
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
Qingdao Huituo Intelligent Machine Co. Ltd.
Shandong Sheng, China
Patent: 1
Yinhe Shuidi Technology Beijing Co. Ltd.
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Dream Ink Technology Co Ltd.
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.
State Grid Corp. of China
Beijing Shi, China
Patent: 357
Guangdong Power Grid Co. Ltd.
Guangdong Sheng, China
Patent: 178
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 71
China Railway Electrification Bureau (Group) Co., Ltd.
Beijing Shi, China
Patent: 65
Dongguan Power Supply Bureau of Guangdong Power Grid Co., Ltd.
Guangdong Sheng, China
Patent: 48
China Railway Siyuan Survey & Design Group Co., Ltd.
Hubei Sheng, China
Patent: 47
Guizhou Sheng, China
Patent: 44
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 43
State Grid Fujian Electric Power Co.
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 Power Grid Co. Ltd.
Guangdong Sheng, China
Patent: 178
China Railway Construction Electrification Bureau Group South Engineering Co., Ltd.
Hubei Sheng, China
Patent: 28
China Railway 12th Bureau Group Co., Ltd.
Shanxi Sheng, China
Patent: 25
Lanzhou Xinwei Vehicle Equipment Co., Ltd.
Gansu Sheng, China
Patent: 24
China Railway 12th Bureau Group Electrical Engineering Co. Ltd
Tianjin Shi, China
Patent: 22
Meizhou Power Supply Bureau of Guangdong Power Grid Co., Ltd.
Guangdong Sheng, China
Patent: 19
Zhongtiejian Electric Huaju Group No 3 Engineering Co. Ltd.
Hebei Sheng, China
Patent: 16
China Railway First Group Electrical Service Eng Co., Ltd.
Shaanxi Sheng, China
Patent: 14
China Railway Construction Corp. Ltd.
Beijing Shi, China
Patent: 12
Nanning Chaofu Electric Technology Co., Ltd.
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.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 104
Railway Technical Research Institute
North China Electric Power University
Beijing Shi, China
Patent: 36
Xi'an Jiaotong University
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
China Electric Power Research Institute Ltd.
Beijing Shi, China
Patent: 15
Shandong Sheng, China
Patent: 14