With the analysis among 4,171 patents, we discovered top 480 key players by total patent application. Mitsubishi Electric Corp., Hitachi Ltd., TOSHIBA Corp. are dominant in this area. They take 20.76% of the total patent filing.
Tokyo-to, Japan
Patent: 457
Tokyo-to, Japan
Patent: 219
Tokyo-to, Japan
Patent: 190
Tokyo-to, Japan
Patent: 160
Kyoto-fu, Japan
Patent: 109
Tokyo-to, Japan
Patent: 108
Osaka-fu, Japan
Patent: 102
Aichi-ken, Japan
Patent: 95
With the analysis among 6 patents, we discovered top 3 start-ups by total patent application.
New York, United States
Patent: 2
Beijing Shi, China
Patent: 1
With the analysis among related 230 patents applied in the last 5 years. We discover 146 most active companies in this area. The fast-growing Mitsubishi Electric Corp., TOSHIBA Corp., Xi'an Jiaotong University take 10.87% of patent filing during this period.
Tokyo-to, Japan
Patent: 14
Shaanxi Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 5
Gyeonggi-do, South Korea
Patent: 4
Fukushima-ken, Japan
Patent: 4
Heilongjiang Sheng, China
Patent: 3
With the analysis among related 230 patents in last 5 years, we discover 89 new entrants. Wuhan University of Technology, Harbin Institute of Technology, Shandong Power Equipment Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Nanjing University of Posts & Telecommunications
Jiangsu Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Hunan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
With the analysis among 301 patents, we discovered top 83 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Railway Technical Research Institute, Zhejiang University are dominant in this area. They take 12.29% of the total patent filing.
Shaanxi Sheng, China
Patent: 10
Zhejiang Sheng, China
Patent: 5
North Dakota, United States
Patent: 5
Hubei Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Sichuan Sheng, China
Patent: 5
Gansu Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4