With the analysis among 1,473 patents, we discovered top 420 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Mitsubishi Heavy Industries, Ltd., State Grid Corp. of China are dominant in this area. They take 7.60% of the total patent filing.
Zhejiang Sheng, China
Patent: 42
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 37
Beijing Shi, China
Patent: 33
Beijing Shi, China
Patent: 22
Guangdong Sheng, China
Patent: 20
Beijing Shi, China
Patent: 19
Sichuan Sheng, China
Patent: 14
Guangdong Sheng, China
Patent: 14
Guizhou Sheng, China
Patent: 13
With the analysis among 6 patents, we discovered top 6 start-ups by total patent application. Beijing Baidu Netcom Science & Technology Co., Ltd., Beijing Smarter Eye Technology Co. Ltd., Huizhou Govion Technology Co. Ltd. are active in this area.
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 2,670 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Shandong University, Chang'an University, Southwest Jiaotong University take 8.16% of patent filing during this period.
Shandong Sheng, China
Patent: 78
Shaanxi Sheng, China
Patent: 73
Sichuan Sheng, China
Patent: 67
Hubei Sheng, China
Patent: 54
Shanghai Shi, China
Patent: 53
Zhejiang Sheng, China
Patent: 47
Tianjin Shi, China
Patent: 43
Jiangsu Sheng, China
Patent: 41
Hunan Sheng, China
Patent: 41
Chongqing Shi, China
Patent: 38
With the analysis among related 2,670 patents in last 5 years, we discover 312 new entrants. Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd., Shenzhen University, Anhui Jianzhu University are the most active new entrants in this area.
Beijing Shi, China
Patent: 19
Guangdong Sheng, China
Patent: 16
Anhui Sheng, China
Patent: 12
Hubei Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 10
Beijing Shi, China
Patent: 9
Shanghai Shi, China
Patent: 8
Jiangxi Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 8
With the analysis among 3,605 patents, we discovered top 196 universities and scientific research institutions by total patent application. Shandong University, Southwest Jiaotong University, Tongji University are dominant in this area. They take 15.20% of the total patent filing.
Shandong Sheng, China
Patent: 301
Sichuan Sheng, China
Patent: 125
Shanghai Shi, China
Patent: 122
Zhejiang Sheng, China
Patent: 108
Jiangsu Sheng, China
Patent: 107
Shaanxi Sheng, China
Patent: 106
Hubei Sheng, China
Patent: 82
Tianjin Shi, China
Patent: 71
Hebei Sheng, China
Patent: 57
Shanghai Shi, China
Patent: 56