With the analysis among 143 patents, we discovered top 137 key players by total patent application. State Grid Corp. of China, Shanghai Construction Group Co., Ltd., Zhuzhou CRRC Times Electric Co., Ltd. are dominant in this area. They take 10.49% of the total patent filing.
Beijing Shi, China
Patent: 9
Shanghai Shi, China
Patent: 3
Hunan Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Zhejiang Sheng, China
Patent: 1
With the analysis among related 117 patents applied in the last 5 years. We discover 116 most active companies in this area. The fast-growing Shanghai Construction Group Co., Ltd., Guangdong Hualu Transportation Technology Co., Ltd., China Railway Fourth Bureau Group Co., Ltd. take 5.98% of patent filing during this period.
Shanghai Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
With the analysis among related 117 patents in last 5 years, we discover 113 new entrants. Shanghai Construction Group Co., Ltd., Guangdong Hualu Transportation Technology Co., Ltd., China Railway Fourth Bureau Group Co., Ltd. are the most active new entrants in this area.
Shanghai Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
Anhui Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
With the analysis among 30 patents, we discovered top 18 universities and scientific research institutions by total patent application. Shanghai Jiao Tong University, Chang'an University, Tongji University are dominant in this area. They take 20.00% of the total patent filing.
Shanghai Shi, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1