With the analysis among 1,264 patents, we discovered top 476 key players by total patent application. NEC Corp., Fujitsu Ltd., Matsushita Electronics Corp. are dominant in this area. They take 19.70% of the total patent filing.
Tokyo-to, Japan
Patent: 103
Tokyo-to, Japan
Patent: 89
Osaka-fu, Japan
Patent: 57
Tokyo-to, Japan
Patent: 49
Tokyo-to, Japan
Patent: 42
Tokyo-to, Japan
Patent: 32
Aichi-ken, Japan
Patent: 24
Tokyo-to, Japan
Patent: 19
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 17
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 97 patents applied in the last 5 years. We discover 99 most active companies in this area. The fast-growing Jiangsu University, China Railway Electrification Survey, Design and Research Institute Co., Ltd., Institute of Engineering Thermophysics Chinese Academy of Scie take 7.22% of patent filing during this period.
Jiangsu Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 97 patents in last 5 years, we discover 83 new entrants. China Railway Electrification Survey, Design and Research Institute Co., Ltd., Zhuzhou CRRC Times Electric Co., Ltd., Jilin University are the most active new entrants in this area.
Tianjin Shi, China
Patent: 2
Hunan Sheng, China
Patent: 2
Jilin Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Liaoning Sheng, China
Patent: 1
With the analysis among 150 patents, we discovered top 71 universities and scientific research institutions by total patent application. Zhejiang University, Tsinghua University, Jiangsu University are dominant in this area. They take 8.00% of the total patent filing.
Zhejiang Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Shandong Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Beijing Shi, China
Patent: 2